72960551677 has 16 divisors (see below), whose sum is σ = 82480124160. Its totient is φ = 64034226432.

The previous prime is 72960551623. The next prime is 72960551707. The reversal of 72960551677 is 77615506927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72960551677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72960551977) 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, 680652 + ... + 780517.

It is an arithmetic number, because the mean of its divisors is an integer number (5155007760).

Almost surely, 2^72960551677 is an apocalyptic number.

It is an amenable number.

72960551677 is a deficient number, since it is larger than the sum of its proper divisors (9519572483).

72960551677 is a wasteful number, since it uses less digits than its factorization.

72960551677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461372.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 72960551677 in words is "seventy-two billion, nine hundred sixty million, five hundred fifty-one thousand, six hundred seventy-seven".