3875505578274 has 16 divisors (see below), whose sum is σ = 8455648534560. Its totient is φ = 1174395629760.

The previous prime is 3875505578221. The next prime is 3875505578317. The reversal of 3875505578274 is 4728755055783.

It is a happy number.

It is a super-2 number, since 2×3875505578274² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 58719781489 = 3875505578274 / (3 + 8 + 7 + 5 + 5 + 0 + 5 + 5 + 7 + 8 + 2 + 7 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29359890679 + ... + 29359890810.

It is an arithmetic number, because the mean of its divisors is an integer number (528478033410).

Almost surely, 2^{3875505578274} is an apocalyptic number.

3875505578274 is an abundant number, since it is smaller than the sum of its proper divisors (4580142956286).

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

3875505578274 is a wasteful number, since it uses less digits than its factorization.

3875505578274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58719781505.

The product of its (nonzero) digits is 329280000, while the sum is 66.

The spelling of 3875505578274 in words is "three trillion, eight hundred seventy-five billion, five hundred five million, five hundred seventy-eight thousand, two hundred seventy-four".