72977519615 has 192 divisors, whose sum is σ = 129427683840. Its totient is φ = 38694620160.

The previous prime is 72977519603. The next prime is 72977519621. The reversal of 72977519615 is 51691577927.

It is not a de Polignac number, because 72977519615 - 2¹⁴ = 72977503231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24628124 + ... + 24631086.

It is an arithmetic number, because the mean of its divisors is an integer number (674102520).

Almost surely, 2^72977519615 is an apocalyptic number.

72977519615 is a deficient number, since it is larger than the sum of its proper divisors (56450164225).

72977519615 is a wasteful number, since it uses less digits than its factorization.

72977519615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3055 counting only the distinct ones).

The product of its digits is 8334900, while the sum is 59.

The spelling of 72977519615 in words is "seventy-two billion, nine hundred seventy-seven million, five hundred nineteen thousand, six hundred fifteen".