2797557972 has 24 divisors (see below), whose sum is σ = 7121056992. Its totient is φ = 847744800.

The previous prime is 2797557949. The next prime is 2797558003.

2797557972 is nontrivially palindromic in base 10.

It is a congruent number.

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, 10596679 + ... + 10596942.

It is an arithmetic number, because the mean of its divisors is an integer number (296710708).

Almost surely, 2^2797557972 is an apocalyptic number.

2797557972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2797557972 is an abundant number, since it is smaller than the sum of its proper divisors (4323499020).

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

2797557972 is a wasteful number, since it uses less digits than its factorization.

2797557972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193639 (or 21193637 counting only the distinct ones).

The product of its digits is 19448100, while the sum is 60.

The square root of 2797557972 is about 52891.9461922134. The cubic root of 2797557972 is about 1409.0498724507.

The spelling of 2797557972 in words is "two billion, seven hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred seventy-two".