28553937902 has 16 divisors (see below), whose sum is σ = 51828996960. Its totient is φ = 11517554688.

The previous prime is 28553937899. The next prime is 28553937911. The reversal of 28553937902 is 20973935582.

It is a super-2 number, since 2×28553937902² (a number of 22 digits) contains 22 as substring.

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, 59987027 + ... + 59987502.

It is an arithmetic number, because the mean of its divisors is an integer number (3239312310).

Almost surely, 2^28553937902 is an apocalyptic number.

28553937902 is a deficient number, since it is larger than the sum of its proper divisors (23275059058).

28553937902 is a wasteful number, since it uses less digits than its factorization.

28553937902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119974555.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 28553937902 in words is "twenty-eight billion, five hundred fifty-three million, nine hundred thirty-seven thousand, nine hundred two".