3320109978 has 16 divisors (see below), whose sum is σ = 6663854016. Its totient is φ = 1102764320.

The previous prime is 3320109971. The next prime is 3320109983. The reversal of 3320109978 is 8799010233.

It is a super-2 number, since 2×3320109978² = 22046260532030320968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3320109971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982926 + ... + 986297.

It is an arithmetic number, because the mean of its divisors is an integer number (416490876).

Almost surely, 2^3320109978 is an apocalyptic number.

3320109978 is an abundant number, since it is smaller than the sum of its proper divisors (3343744038).

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

3320109978 is a wasteful number, since it uses less digits than its factorization.

3320109978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969509.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3320109978 is about 57620.3955036756. The cubic root of 3320109978 is about 1491.8236574835.

The spelling of 3320109978 in words is "three billion, three hundred twenty million, one hundred nine thousand, nine hundred seventy-eight".