27497124894 has 16 divisors (see below), whose sum is σ = 54995889168. Its totient is φ = 9165435072.

The previous prime is 27497124859. The next prime is 27497124901. The reversal of 27497124894 is 49842179472.

It is a super-2 number, since 2×27497124894² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316474 + ... + 393890.

It is an arithmetic number, because the mean of its divisors is an integer number (3437243073).

Almost surely, 2^27497124894 is an apocalyptic number.

27497124894 is an abundant number, since it is smaller than the sum of its proper divisors (27498764274).

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

27497124894 is a wasteful number, since it uses less digits than its factorization.

27497124894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136619.

The product of its digits is 8128512, while the sum is 57.

The spelling of 27497124894 in words is "twenty-seven billion, four hundred ninety-seven million, one hundred twenty-four thousand, eight hundred ninety-four".