2907985875620 has 24 divisors (see below), whose sum is σ = 6979166101824. Its totient is φ = 997023728736.

The previous prime is 2907985875601. The next prime is 2907985875631. The reversal of 2907985875620 is 265785897092.

It is a super-2 number, since 2×2907985875620² (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 7 ways as a sum of consecutive naturals, for example, 10385663702 + ... + 10385663981.

It is an arithmetic number, because the mean of its divisors is an integer number (290798587576).

Almost surely, 2^{2907985875620} is an apocalyptic number.

2907985875620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2907985875620 is an abundant number, since it is smaller than the sum of its proper divisors (4071180226204).

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

2907985875620 is a wasteful number, since it uses less digits than its factorization.

2907985875620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20771327699 (or 20771327697 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 68.

The spelling of 2907985875620 in words is "two trillion, nine hundred seven billion, nine hundred eighty-five million, eight hundred seventy-five thousand, six hundred twenty".