76513663801 has 16 divisors (see below), whose sum is σ = 81347806224. Its totient is φ = 71716829184.

The previous prime is 76513663769. The next prime is 76513663847. The reversal of 76513663801 is 10836631567.

It can be written as a sum of positive squares in 8 ways, for example, as 6352249401 + 70161414400 = 79701^2 + 264880^2 .

It is a cyclic number.

It is not a de Polignac number, because 76513663801 - 2⁵ = 76513663769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76513663601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16163631 + ... + 16168363.

It is an arithmetic number, because the mean of its divisors is an integer number (5084237889).

Almost surely, 2^76513663801 is an apocalyptic number.

It is an amenable number.

76513663801 is a deficient number, since it is larger than the sum of its proper divisors (4834142423).

76513663801 is a wasteful number, since it uses less digits than its factorization.

76513663801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 76513663801 in words is "seventy-six billion, five hundred thirteen million, six hundred sixty-three thousand, eight hundred one".