64992086 has 8 divisors (see below), whose sum is σ = 98453664. Its totient is φ = 32174200.

The previous prime is 64992079. The next prime is 64992101. The reversal of 64992086 is 68029946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160670 + ... + 161073.

It is an arithmetic number, because the mean of its divisors is an integer number (12306708).

Almost surely, 2^64992086 is an apocalyptic number.

64992086 is a deficient number, since it is larger than the sum of its proper divisors (33461578).

64992086 is a wasteful number, since it uses less digits than its factorization.

64992086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321846.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 64992086 is about 8061.7669279135. The cubic root of 64992086 is about 402.0562572358.

The spelling of 64992086 in words is "sixty-four million, nine hundred ninety-two thousand, eighty-six".