92021720621 has 8 divisors (see below), whose sum is σ = 92888848800. Its totient is φ = 91155008880.

The previous prime is 92021720599. The next prime is 92021720627. The reversal of 92021720621 is 12602712029.

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

It is a cyclic number.

It is not a de Polignac number, because 92021720621 - 2²⁶ = 91954611757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92021720627) 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, 349166 + ... + 553136.

It is an arithmetic number, because the mean of its divisors is an integer number (11611106100).

Almost surely, 2^92021720621 is an apocalyptic number.

It is an amenable number.

92021720621 is a deficient number, since it is larger than the sum of its proper divisors (867128179).

92021720621 is a wasteful number, since it uses less digits than its factorization.

92021720621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208219.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 92021720621 in words is "ninety-two billion, twenty-one million, seven hundred twenty thousand, six hundred twenty-one".