64157627 has 4 divisors (see below), whose sum is σ = 64242696. Its totient is φ = 64072560.

The previous prime is 64157617. The next prime is 64157633. The reversal of 64157627 is 72675146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72675146 = 2 ⋅36337573.

It is a cyclic number.

It is not a de Polignac number, because 64157627 - 2⁶ = 64157563 is a prime.

It is a super-2 number, since 2×64157627² = 8232402204542258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64157617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41393 + ... + 42914.

It is an arithmetic number, because the mean of its divisors is an integer number (16060674).

Almost surely, 2^64157627 is an apocalyptic number.

64157627 is a deficient number, since it is larger than the sum of its proper divisors (85069).

64157627 is an equidigital number, since it uses as much as digits as its factorization.

64157627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85068.

The product of its digits is 70560, while the sum is 38.

The square root of 64157627 is about 8009.8456289744. The cubic root of 64157627 is about 400.3281203523.

The spelling of 64157627 in words is "sixty-four million, one hundred fifty-seven thousand, six hundred twenty-seven".