28423502514 has 24 divisors (see below), whose sum is σ = 67182824592. Its totient is φ = 8613182520.

The previous prime is 28423502489. The next prime is 28423502537. The reversal of 28423502514 is 41520532482.

28423502514 is a `hidden beast` number, since 2 + 84 + 23 + 502 + 51 + 4 = 666.

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, 71776324 + ... + 71776719.

It is an arithmetic number, because the mean of its divisors is an integer number (2799284358).

Almost surely, 2^28423502514 is an apocalyptic number.

28423502514 is an abundant number, since it is smaller than the sum of its proper divisors (38759322078).

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

28423502514 is a wasteful number, since it uses less digits than its factorization.

28423502514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143553062 (or 143553059 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 28423502514 in words is "twenty-eight billion, four hundred twenty-three million, five hundred two thousand, five hundred fourteen".