99072973901 has 16 divisors (see below), whose sum is σ = 109712440320. Its totient is φ = 88706130480.

The previous prime is 99072973861. The next prime is 99072973933. The reversal of 99072973901 is 10937927099.

It is not a de Polignac number, because 99072973901 - 2⁶ = 99072973837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99072973001) 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, 6409340 + ... + 6424778.

It is an arithmetic number, because the mean of its divisors is an integer number (6857027520).

Almost surely, 2^99072973901 is an apocalyptic number.

It is an amenable number.

99072973901 is a deficient number, since it is larger than the sum of its proper divisors (10639466419).

99072973901 is a wasteful number, since it uses less digits than its factorization.

99072973901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24224.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The spelling of 99072973901 in words is "ninety-nine billion, seventy-two million, nine hundred seventy-three thousand, nine hundred one".