2797681900 has 36 divisors (see below), whose sum is σ = 6537970432. Its totient is φ = 1032989760.

The previous prime is 2797681877. The next prime is 2797681933. The reversal of 2797681900 is 91867972.

It is a happy number.

2797681900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2797681900² = 15654048027175220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1074732 + ... + 1077331.

Almost surely, 2^2797681900 is an apocalyptic number.

2797681900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2797681900 is an abundant number, since it is smaller than the sum of its proper divisors (3740288532).

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

2797681900 is a wasteful number, since it uses less digits than its factorization.

2797681900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152090 (or 2152083 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 2797681900 is about 52893.1176997537. The cubic root of 2797681900 is about 1409.0706784722.

The spelling of 2797681900 in words is "two billion, seven hundred ninety-seven million, six hundred eighty-one thousand, nine hundred".