65799408 has 20 divisors (see below), whose sum is σ = 169981928. Its totient is φ = 21933120.

The previous prime is 65799397. The next prime is 65799421. The reversal of 65799408 is 80499756.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1370821 = 65799408 / (6 + 5 + 7 + 9 + 9 + 4 + 0 + 8).

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, 685363 + ... + 685458.

Almost surely, 2^65799408 is an apocalyptic number.

It is an amenable number.

65799408 is an abundant number, since it is smaller than the sum of its proper divisors (104182520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65799408 is a wasteful number, since it uses less digits than its factorization.

65799408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370832 (or 1370826 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 65799408 is about 8111.6834257754. The cubic root of 65799408 is about 403.7141722339.

The spelling of 65799408 in words is "sixty-five million, seven hundred ninety-nine thousand, four hundred eight".