28077318010 has 40 divisors (see below), whose sum is σ = 58958910036. Its totient is φ = 9626500800.

The previous prime is 28077317971. The next prime is 28077318013. The reversal of 28077318010 is 1081377082.

It can be written as a sum of positive squares in 2 ways, for example, as 22910152321 + 5167165689 = 151361^2 + 71883^2 .

It is not an unprimeable number, because it can be changed into a prime (28077318013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 560691 + ... + 608710.

Almost surely, 2^28077318010 is an apocalyptic number.

28077318010 is an abundant number, since it is smaller than the sum of its proper divisors (30881592026).

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

28077318010 is an equidigital number, since it uses as much as digits as its factorization.

28077318010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169436 (or 1169415 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 28077318010 in words is "twenty-eight billion, seventy-seven million, three hundred eighteen thousand, ten".