64703767879 has 2 divisors, whose sum is σ = 64703767880. Its totient is φ = 64703767878.

The previous prime is 64703767781. The next prime is 64703767901. The reversal of 64703767879 is 97876730746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64703767879 - 2³³ = 56113833287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64703767879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64703767979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32351883939 + 32351883940.

It is an arithmetic number, because the mean of its divisors is an integer number (32351883940).

Almost surely, 2^64703767879 is an apocalyptic number.

64703767879 is a deficient number, since it is larger than the sum of its proper divisors (1).

64703767879 is an equidigital number, since it uses as much as digits as its factorization.

64703767879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74680704, while the sum is 64.

The spelling of 64703767879 in words is "sixty-four billion, seven hundred three million, seven hundred sixty-seven thousand, eight hundred seventy-nine".