28114372377 has 60 divisors (see below), whose sum is σ = 51974049600. Its totient is φ = 14829508512.

The previous prime is 28114372373. The next prime is 28114372399. The reversal of 28114372377 is 77327341182.

It is not a de Polignac number, because 28114372377 - 2² = 28114372373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28114372373) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 50877 + ... + 242522.

It is an arithmetic number, because the mean of its divisors is an integer number (866234160).

Almost surely, 2^28114372377 is an apocalyptic number.

28114372377 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28114372377 is a deficient number, since it is larger than the sum of its proper divisors (23859677223).

28114372377 is a wasteful number, since it uses less digits than its factorization.

28114372377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293444 (or 293422 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The spelling of 28114372377 in words is "twenty-eight billion, one hundred fourteen million, three hundred seventy-two thousand, three hundred seventy-seven".