27752311842 has 32 divisors (see below), whose sum is σ = 58221158400. Its totient is φ = 8802227280.

The previous prime is 27752311837. The next prime is 27752311891. The reversal of 27752311842 is 24811325772.

It is a happy number.

It is a super-2 number, since 2×27752311842² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27752311794 and 27752311803.

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, 500092 + ... + 552807.

It is an arithmetic number, because the mean of its divisors is an integer number (1819411200).

Almost surely, 2^27752311842 is an apocalyptic number.

27752311842 is an abundant number, since it is smaller than the sum of its proper divisors (30468846558).

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

27752311842 is a wasteful number, since it uses less digits than its factorization.

27752311842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053118.

The product of its digits is 188160, while the sum is 42.

The spelling of 27752311842 in words is "twenty-seven billion, seven hundred fifty-two million, three hundred eleven thousand, eight hundred forty-two".