3375557454978 has 72 divisors (see below), whose sum is σ = 7770048653952. Its totient is φ = 1058887224192.

The previous prime is 3375557454937. The next prime is 3375557455019. The reversal of 3375557454978 is 8794547555733.

3375557454978 is a `hidden beast` number, since 3 + 3 + 7 + 5 + 5 + 5 + 7 + 4 + 549 + 78 = 666.

3375557454978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3375557454937) and next prime (3375557455019).

It is a super-2 number, since 2×3375557454978² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59518951 + ... + 59575637.

It is an arithmetic number, because the mean of its divisors is an integer number (107917342416).

Almost surely, 2^{3375557454978} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3375557454978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3885024326976).

3375557454978 is an abundant number, since it is smaller than the sum of its proper divisors (4394491198974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3375557454978 is a wasteful number, since it uses less digits than its factorization.

3375557454978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68176 (or 68156 counting only the distinct ones).

The product of its digits is 2222640000, while the sum is 72.

The spelling of 3375557454978 in words is "three trillion, three hundred seventy-five billion, five hundred fifty-seven million, four hundred fifty-four thousand, nine hundred seventy-eight".