28469606364 has 36 divisors (see below), whose sum is σ = 71987230224. Its totient is φ = 9486916032.

The previous prime is 28469606357. The next prime is 28469606371. The reversal of 28469606364 is 46360696482.

28469606364 is a `hidden beast` number, since 2 + 8 + 469 + 60 + 63 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (28469606357) and next prime (28469606371).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×28469606364² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28469606364.

It is a congruent number.

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, 4152 + ... + 238655.

It is an arithmetic number, because the mean of its divisors is an integer number (1999645284).

Almost surely, 2^28469606364 is an apocalyptic number.

It is an amenable number.

28469606364 is an abundant number, since it is smaller than the sum of its proper divisors (43517623860).

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

28469606364 is a wasteful number, since it uses less digits than its factorization.

28469606364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246074 (or 246069 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 28469606364 in words is "twenty-eight billion, four hundred sixty-nine million, six hundred six thousand, three hundred sixty-four".