28904647631596 has 72 divisors (see below), whose sum is σ = 57023491408128. Its totient is φ = 12713669085600.

The previous prime is 28904647631549. The next prime is 28904647631599. The reversal of 28904647631596 is 69513674640982.

It is a super-3 number, since 3×28904647631596³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28904647631599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940676785 + ... + 940707511.

It is an arithmetic number, because the mean of its divisors is an integer number (791992936224).

It is a 1-persistent number, because it is pandigital, but 2⋅28904647631596 = 57809295263192 is not.

Almost surely, 2^{28904647631596} is an apocalyptic number.

It is an amenable number.

28904647631596 is a deficient number, since it is larger than the sum of its proper divisors (28118843776532).

28904647631596 is a wasteful number, since it uses less digits than its factorization.

28904647631596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53051 (or 53018 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 70.

The spelling of 28904647631596 in words is "twenty-eight trillion, nine hundred four billion, six hundred forty-seven million, six hundred thirty-one thousand, five hundred ninety-six".