28611258404 has 12 divisors (see below), whose sum is σ = 50070895728. Its totient is φ = 14305288200.

The previous prime is 28611258359. The next prime is 28611258409. The reversal of 28611258404 is 40485211682.

It is not an unprimeable number, because it can be changed into a prime (28611258409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250139 + ... + 346109.

It is an arithmetic number, because the mean of its divisors is an integer number (4172574644).

Almost surely, 2^28611258404 is an apocalyptic number.

It is an amenable number.

28611258404 is a deficient number, since it is larger than the sum of its proper divisors (21459637324).

28611258404 is a wasteful number, since it uses less digits than its factorization.

28611258404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170506 (or 170504 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 28611258404 in words is "twenty-eight billion, six hundred eleven million, two hundred fifty-eight thousand, four hundred four".