2916857980 has 24 divisors (see below), whose sum is σ = 6126764112. Its totient is φ = 1166483712.

The previous prime is 2916857971. The next prime is 2916857981. The reversal of 2916857980 is 897586192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2916857981) 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, 94339 + ... + 121381.

It is an arithmetic number, because the mean of its divisors is an integer number (255281838).

Almost surely, 2^2916857980 is an apocalyptic number.

2916857980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2916857980 is an abundant number, since it is smaller than the sum of its proper divisors (3209906132).

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

2916857980 is a wasteful number, since it uses less digits than its factorization.

2916857980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32445 (or 32443 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 2916857980 is about 54007.9436749817. The cubic root of 2916857980 is about 1428.8010522034.

The spelling of 2916857980 in words is "two billion, nine hundred sixteen million, eight hundred fifty-seven thousand, nine hundred eighty".