83079893 has 12 divisors (see below), whose sum is σ = 90222660. Its totient is φ = 76467456.

The previous prime is 83079889. The next prime is 83079923. The reversal of 83079893 is 39897038.

It can be written as a sum of positive squares in 6 ways, for example, as 7006609 + 76073284 = 2647^2 + 8722^2 .

It is not a de Polignac number, because 83079893 - 2² = 83079889 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 (83079803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99803 + ... + 100631.

It is an arithmetic number, because the mean of its divisors is an integer number (7518555).

Almost surely, 2^83079893 is an apocalyptic number.

It is an amenable number.

83079893 is a deficient number, since it is larger than the sum of its proper divisors (7142767).

83079893 is a wasteful number, since it uses less digits than its factorization.

83079893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 83079893 is about 9114.8172225229. The cubic root of 83079893 is about 436.3469816652.

The spelling of 83079893 in words is "eighty-three million, seventy-nine thousand, eight hundred ninety-three".