27750077507828 has 24 divisors (see below), whose sum is σ = 54572058780288. Its totient is φ = 12250870337376.

The previous prime is 27750077507797. The next prime is 27750077507833. The reversal of 27750077507828 is 82870577005772.

It is a super-2 number, since 2×27750077507828² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11601201776 + ... + 11601204167.

It is an arithmetic number, because the mean of its divisors is an integer number (2273835782512).

Almost surely, 2^{27750077507828} is an apocalyptic number.

It is an amenable number.

27750077507828 is a deficient number, since it is larger than the sum of its proper divisors (26821981272460).

27750077507828 is a wasteful number, since it uses less digits than its factorization.

27750077507828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23202405983 (or 23202405981 counting only the distinct ones).

The product of its (nonzero) digits is 107564800, while the sum is 65.

The spelling of 27750077507828 in words is "twenty-seven trillion, seven hundred fifty billion, seventy-seven million, five hundred seven thousand, eight hundred twenty-eight".