28757955946 has 16 divisors (see below), whose sum is σ = 44072193024. Its totient is φ = 14070327264.

The previous prime is 28757955931. The next prime is 28757955971. The reversal of 28757955946 is 64955975782.

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, 756940 + ... + 794023.

It is an arithmetic number, because the mean of its divisors is an integer number (2754512064).

Almost surely, 2^28757955946 is an apocalyptic number.

28757955946 is a deficient number, since it is larger than the sum of its proper divisors (15314237078).

28757955946 is a wasteful number, since it uses less digits than its factorization.

28757955946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551165.

The product of its digits is 190512000, while the sum is 67.

The spelling of 28757955946 in words is "twenty-eight billion, seven hundred fifty-seven million, nine hundred fifty-five thousand, nine hundred forty-six".