64850960 has 40 divisors (see below), whose sum is σ = 155983320. Its totient is φ = 25044992.

The previous prime is 64850957. The next prime is 64851001. The reversal of 64850960 is 6905846.

It can be written as a sum of positive squares in 4 ways, for example, as 25563136 + 39287824 = 5056^2 + 6268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 11657 + ... + 16296.

It is an arithmetic number, because the mean of its divisors is an integer number (3899583).

Almost surely, 2^64850960 is an apocalyptic number.

It is an amenable number.

64850960 is an abundant number, since it is smaller than the sum of its proper divisors (91132360).

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

64850960 is a wasteful number, since it uses less digits than its factorization.

64850960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27995 (or 27989 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 64850960 is about 8053.0093753826. The cubic root of 64850960 is about 401.7650335194.

The spelling of 64850960 in words is "sixty-four million, eight hundred fifty thousand, nine hundred sixty".