79925783 has 8 divisors (see below), whose sum is σ = 91428768. Its totient is φ = 68444064.

The previous prime is 79925779. The next prime is 79925821. The reversal of 79925783 is 38752997.

It is a happy number.

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 79925783 - 2² = 79925779 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 (79925743) 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, 3785 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (11428596).

Almost surely, 2^79925783 is an apocalyptic number.

79925783 is a deficient number, since it is larger than the sum of its proper divisors (11502985).

79925783 is a wasteful number, since it uses less digits than its factorization.

79925783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633.

The product of its digits is 952560, while the sum is 50.

The square root of 79925783 is about 8940.1220908889. The cubic root of 79925783 is about 430.7536503809.

It can be divided in two parts, 79925 and 783, that added together give a palindrome (80708).

The spelling of 79925783 in words is "seventy-nine million, nine hundred twenty-five thousand, seven hundred eighty-three".