64899355 has 8 divisors (see below), whose sum is σ = 77926464. Its totient is φ = 51888000.

The previous prime is 64899301. The next prime is 64899391. The reversal of 64899355 is 55399846.

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

It is not a de Polignac number, because 64899355 - 2⁷ = 64899227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64899299 and 64899308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8995 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (9740808).

Almost surely, 2^64899355 is an apocalyptic number.

64899355 is a deficient number, since it is larger than the sum of its proper divisors (13027109).

64899355 is a wasteful number, since it uses less digits than its factorization.

64899355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877.

The product of its digits is 1166400, while the sum is 49.

The square root of 64899355 is about 8056.0135923421. The cubic root of 64899355 is about 401.8649476623.

The spelling of 64899355 in words is "sixty-four million, eight hundred ninety-nine thousand, three hundred fifty-five".