27170225425 has 48 divisors (see below), whose sum is σ = 40803638400. Its totient is φ = 17549683200.

The previous prime is 27170225419. The next prime is 27170225443. The reversal of 27170225425 is 52452207172.

It is not a de Polignac number, because 27170225425 - 2¹⁷ = 27170094353 is a prime.

It is a super-2 number, since 2×27170225425² (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 47 ways as a sum of consecutive naturals, for example, 142786 + ... + 273364.

It is an arithmetic number, because the mean of its divisors is an integer number (850075800).

Almost surely, 2^27170225425 is an apocalyptic number.

27170225425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27170225425 is a deficient number, since it is larger than the sum of its proper divisors (13633412975).

27170225425 is a wasteful number, since it uses less digits than its factorization.

27170225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130666 (or 130661 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 27170225425 in words is "twenty-seven billion, one hundred seventy million, two hundred twenty-five thousand, four hundred twenty-five".