64127086 has 4 divisors (see below), whose sum is σ = 96190632. Its totient is φ = 32063542.

The previous prime is 64127047. The next prime is 64127087. The reversal of 64127086 is 68072146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68072146 = 2 ⋅34036073.

It is a super-2 number, since 2×64127086² = 8224566317702792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64127087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16031770 + ... + 16031773.

It is an arithmetic number, because the mean of its divisors is an integer number (24047658).

Almost surely, 2^64127086 is an apocalyptic number.

64127086 is a deficient number, since it is larger than the sum of its proper divisors (32063546).

64127086 is a wasteful number, since it uses less digits than its factorization.

64127086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32063545.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 64127086 is about 8007.9389358311. The cubic root of 64127086 is about 400.2645874451.

The spelling of 64127086 in words is "sixty-four million, one hundred twenty-seven thousand, eighty-six".