27953897514625 has 32 divisors (see below), whose sum is σ = 37797646588416. Its totient is φ = 20558160403200.

The previous prime is 27953897514583. The next prime is 27953897514701. The reversal of 27953897514625 is 52641579835972.

It is a happy number.

It is not a de Polignac number, because 27953897514625 - 2¹¹ = 27953897512577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152871129 + ... + 153053878.

It is an arithmetic number, because the mean of its divisors is an integer number (1181176455888).

Almost surely, 2^{27953897514625} is an apocalyptic number.

27953897514625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27953897514625 is a deficient number, since it is larger than the sum of its proper divisors (9843749073791).

27953897514625 is a wasteful number, since it uses less digits than its factorization.

27953897514625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305925082 (or 305925072 counting only the distinct ones).

The product of its digits is 1143072000, while the sum is 73.

The spelling of 27953897514625 in words is "twenty-seven trillion, nine hundred fifty-three billion, eight hundred ninety-seven million, five hundred fourteen thousand, six hundred twenty-five".