2503897864 has 32 divisors (see below), whose sum is σ = 5105056320. Its totient is φ = 1144420416.

The previous prime is 2503897861. The next prime is 2503897867. The reversal of 2503897864 is 4687983052.

It is an interprime number because it is at equal distance from previous prime (2503897861) and next prime (2503897867).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (2503897861) 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, 106162 + ... + 127585.

It is an arithmetic number, because the mean of its divisors is an integer number (159533010).

Almost surely, 2^2503897864 is an apocalyptic number.

It is an amenable number.

2503897864 is an abundant number, since it is smaller than the sum of its proper divisors (2601158456).

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

2503897864 is a wasteful number, since it uses less digits than its factorization.

2503897864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233869 (or 233865 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 2503897864 is about 50038.9634584890. The cubic root of 2503897864 is about 1357.9138040745.

The spelling of 2503897864 in words is "two billion, five hundred three million, eight hundred ninety-seven thousand, eight hundred sixty-four".