27901677625 has 16 divisors (see below), whose sum is σ = 35311745664. Its totient is φ = 22006950000.

The previous prime is 27901677607. The next prime is 27901677649. The reversal of 27901677625 is 52677610972.

It is not a de Polignac number, because 27901677625 - 2²¹ = 27899580473 is a prime.

It is a super-2 number, since 2×27901677625² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 1563051 + ... + 1580800.

It is an arithmetic number, because the mean of its divisors is an integer number (2206984104).

Almost surely, 2^27901677625 is an apocalyptic number.

27901677625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27901677625 is a deficient number, since it is larger than the sum of its proper divisors (7410068039).

27901677625 is an equidigital number, since it uses as much as digits as its factorization.

27901677625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143937 (or 3143927 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 27901677625 in words is "twenty-seven billion, nine hundred one million, six hundred seventy-seven thousand, six hundred twenty-five".