27377520225 has 96 divisors (see below), whose sum is σ = 50020084224. Its totient is φ = 13102617600.

The previous prime is 27377520199. The next prime is 27377520259. The reversal of 27377520225 is 52202577372.

It is not a de Polignac number, because 27377520225 - 2⁶ = 27377520161 is a prime.

It is a super-2 number, since 2×27377520225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46167529 + ... + 46168121.

It is an arithmetic number, because the mean of its divisors is an integer number (521042544).

Almost surely, 2^27377520225 is an apocalyptic number.

27377520225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27377520225 is a deficient number, since it is larger than the sum of its proper divisors (22642563999).

27377520225 is a wasteful number, since it uses less digits than its factorization.

27377520225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 42.

The spelling of 27377520225 in words is "twenty-seven billion, three hundred seventy-seven million, five hundred twenty thousand, two hundred twenty-five".