64907376961 has 8 divisors (see below), whose sum is σ = 74228577984. Its totient is φ = 55598355600.

The previous prime is 64907376929. The next prime is 64907376991. The reversal of 64907376961 is 16967370946.

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

It is a cyclic number.

It is not a de Polignac number, because 64907376961 - 2⁵ = 64907376929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64907376896 and 64907376905.

It is not an unprimeable number, because it can be changed into a prime (64907376901) 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, 3033490 + ... + 3054811.

It is an arithmetic number, because the mean of its divisors is an integer number (9278572248).

Almost surely, 2^64907376961 is an apocalyptic number.

It is an amenable number.

64907376961 is a deficient number, since it is larger than the sum of its proper divisors (9321201023).

64907376961 is a wasteful number, since it uses less digits than its factorization.

64907376961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089831.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 64907376961 in words is "sixty-four billion, nine hundred seven million, three hundred seventy-six thousand, nine hundred sixty-one".