27650012764 has 48 divisors (see below), whose sum is σ = 56980869120. Its totient is φ = 11607189440.

The previous prime is 27650012723. The next prime is 27650012771. The reversal of 27650012764 is 46721005672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441724 + ... + 500419.

It is an arithmetic number, because the mean of its divisors is an integer number (1187101440).

Almost surely, 2^27650012764 is an apocalyptic number.

It is an amenable number.

27650012764 is an abundant number, since it is smaller than the sum of its proper divisors (29330856356).

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

27650012764 is a wasteful number, since it uses less digits than its factorization.

27650012764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942210 (or 942208 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 27650012764 in words is "twenty-seven billion, six hundred fifty million, twelve thousand, seven hundred sixty-four".