72900111777 has 8 divisors (see below), whose sum is σ = 97561488960. Its totient is φ = 48419404560.

The previous prime is 72900111743. The next prime is 72900111799. The reversal of 72900111777 is 77711100927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72900111777 - 2⁷ = 72900111649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72900111707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45166549 + ... + 45168162.

It is an arithmetic number, because the mean of its divisors is an integer number (12195186120).

Almost surely, 2^72900111777 is an apocalyptic number.

It is an amenable number.

72900111777 is a deficient number, since it is larger than the sum of its proper divisors (24661377183).

72900111777 is a wasteful number, since it uses less digits than its factorization.

72900111777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90334983.

The product of its (nonzero) digits is 43218, while the sum is 42.

The spelling of 72900111777 in words is "seventy-two billion, nine hundred million, one hundred eleven thousand, seven hundred seventy-seven".