28076737156 has 24 divisors (see below), whose sum is σ = 52921552320. Its totient is φ = 12956608032.

The previous prime is 28076737081. The next prime is 28076737181. The reversal of 28076737156 is 65173767082.

It is a super-2 number, since 2×28076737156² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 360075 + ... + 431053.

It is an arithmetic number, because the mean of its divisors is an integer number (2205064680).

Almost surely, 2^28076737156 is an apocalyptic number.

28076737156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28076737156 is a deficient number, since it is larger than the sum of its proper divisors (24844815164).

28076737156 is a wasteful number, since it uses less digits than its factorization.

28076737156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78603 (or 78601 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 28076737156 in words is "twenty-eight billion, seventy-six million, seven hundred thirty-seven thousand, one hundred fifty-six".