79856763 has 16 divisors (see below), whose sum is σ = 123056640. Its totient is φ = 45118656.

The previous prime is 79856723. The next prime is 79856771. The reversal of 79856763 is 36765897.

It is not a de Polignac number, because 79856763 - 2⁸ = 79856507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79856723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19495 + ... + 23232.

It is an arithmetic number, because the mean of its divisors is an integer number (7691040).

Almost surely, 2^79856763 is an apocalyptic number.

79856763 is a deficient number, since it is larger than the sum of its proper divisors (43199877).

79856763 is a wasteful number, since it uses less digits than its factorization.

79856763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42826.

The product of its digits is 1905120, while the sum is 51.

The square root of 79856763 is about 8936.2611309205. The cubic root of 79856763 is about 430.6296220723.

The spelling of 79856763 in words is "seventy-nine million, eight hundred fifty-six thousand, seven hundred sixty-three".