83920408051 has 8 divisors (see below), whose sum is σ = 84772484784. Its totient is φ = 83071802880.

The previous prime is 83920408021. The next prime is 83920408067. The reversal of 83920408051 is 15080402938.

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 83920408051 - 2¹³ = 83920399859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83920407995 and 83920408013.

It is not an unprimeable number, because it can be changed into a prime (83920408021) 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, 819285 + ... + 916006.

It is an arithmetic number, because the mean of its divisors is an integer number (10596560598).

Almost surely, 2^83920408051 is an apocalyptic number.

83920408051 is a deficient number, since it is larger than the sum of its proper divisors (852076733).

83920408051 is a wasteful number, since it uses less digits than its factorization.

83920408051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735781.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 83920408051 in words is "eighty-three billion, nine hundred twenty million, four hundred eight thousand, fifty-one".