64776038 has 8 divisors (see below), whose sum is σ = 97458600. Its totient is φ = 32289840.

The previous prime is 64776029. The next prime is 64776043. The reversal of 64776038 is 83067746.

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

It is a junction number, because it is equal to n+sod(n) for n = 64775986 and 64776004.

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, 48263 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (12182325).

Almost surely, 2^64776038 is an apocalyptic number.

64776038 is a deficient number, since it is larger than the sum of its proper divisors (32682562).

64776038 is a wasteful number, since it uses less digits than its factorization.

64776038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98182.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 64776038 is about 8048.3562296906. The cubic root of 64776038 is about 401.6102548333.

The spelling of 64776038 in words is "sixty-four million, seven hundred seventy-six thousand, thirty-eight".