27859522072 has 32 divisors (see below), whose sum is σ = 56804202720. Its totient is φ = 12756026880.

The previous prime is 27859522069. The next prime is 27859522073. The reversal of 27859522072 is 27022595872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27859522073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763204 + ... + 2773267.

It is an arithmetic number, because the mean of its divisors is an integer number (1775131335).

Almost surely, 2^27859522072 is an apocalyptic number.

It is an amenable number.

27859522072 is an abundant number, since it is smaller than the sum of its proper divisors (28944680648).

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

27859522072 is a wasteful number, since it uses less digits than its factorization.

27859522072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536531 (or 5536527 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 27859522072 in words is "twenty-seven billion, eight hundred fifty-nine million, five hundred twenty-two thousand, seventy-two".