72992311487 has 2 divisors, whose sum is σ = 72992311488. Its totient is φ = 72992311486.

The previous prime is 72992311471. The next prime is 72992311493. The reversal of 72992311487 is 78411329927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72992311487 - 2⁴ = 72992311471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72992311387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36496155743 + 36496155744.

It is an arithmetic number, because the mean of its divisors is an integer number (36496155744).

Almost surely, 2^72992311487 is an apocalyptic number.

72992311487 is a deficient number, since it is larger than the sum of its proper divisors (1).

72992311487 is an equidigital number, since it uses as much as digits as its factorization.

72992311487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The spelling of 72992311487 in words is "seventy-two billion, nine hundred ninety-two million, three hundred eleven thousand, four hundred eighty-seven".