72957099599 has 2 divisors, whose sum is σ = 72957099600. Its totient is φ = 72957099598.

The previous prime is 72957099583. The next prime is 72957099613. The reversal of 72957099599 is 99599075927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72957099599 - 2⁴ = 72957099583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72957099529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36478549799 + 36478549800.

It is an arithmetic number, because the mean of its divisors is an integer number (36478549800).

Almost surely, 2^72957099599 is an apocalyptic number.

72957099599 is a deficient number, since it is larger than the sum of its proper divisors (1).

72957099599 is an equidigital number, since it uses as much as digits as its factorization.

72957099599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144670050, while the sum is 71.

The spelling of 72957099599 in words is "seventy-two billion, nine hundred fifty-seven million, ninety-nine thousand, five hundred ninety-nine".