64980853 has 8 divisors (see below), whose sum is σ = 74355008. Its totient is φ = 55629504.

The previous prime is 64980841. The next prime is 64980857. The reversal of 64980853 is 35808946.

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

It is a de Polignac number, because none of the positive numbers 2^k-64980853 is a prime.

It is a super-2 number, since 2×64980853² = 8445022513215218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64980857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 11437.

It is an arithmetic number, because the mean of its divisors is an integer number (9294376).

Almost surely, 2^64980853 is an apocalyptic number.

It is an amenable number.

64980853 is a deficient number, since it is larger than the sum of its proper divisors (9374155).

64980853 is a wasteful number, since it uses less digits than its factorization.

64980853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 64980853 is about 8061.0702143078. The cubic root of 64980853 is about 402.0330925787.

The spelling of 64980853 in words is "sixty-four million, nine hundred eighty thousand, eight hundred fifty-three".