28937082961 has 8 divisors (see below), whose sum is σ = 29141913024. Its totient is φ = 28732426800.

The previous prime is 28937082929. The next prime is 28937082991. The reversal of 28937082961 is 16928073982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28937082961 - 2⁵ = 28937082929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28937082991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300051 + ... + 384583.

It is an arithmetic number, because the mean of its divisors is an integer number (3642739128).

Almost surely, 2^28937082961 is an apocalyptic number.

It is an amenable number.

28937082961 is a deficient number, since it is larger than the sum of its proper divisors (204830063).

28937082961 is a wasteful number, since it uses less digits than its factorization.

28937082961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86951.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 28937082961 in words is "twenty-eight billion, nine hundred thirty-seven million, eighty-two thousand, nine hundred sixty-one".