79854937 has 2 divisors, whose sum is σ = 79854938. Its totient is φ = 79854936.

The previous prime is 79854877. The next prime is 79854947. The reversal of 79854937 is 73945897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62789776 + 17065161 = 7924^2 + 4131^2 .

It is a cyclic number.

It is not a de Polignac number, because 79854937 - 2¹⁹ = 79330649 is a prime.

It is not a weakly prime, because it can be changed into another prime (79854947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39927468 + 39927469.

It is an arithmetic number, because the mean of its divisors is an integer number (39927469).

Almost surely, 2^79854937 is an apocalyptic number.

It is an amenable number.

79854937 is a deficient number, since it is larger than the sum of its proper divisors (1).

79854937 is an equidigital number, since it uses as much as digits as its factorization.

79854937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 79854937 is about 8936.1589623283. The cubic root of 79854937 is about 430.6263397968.

The spelling of 79854937 in words is "seventy-nine million, eight hundred fifty-four thousand, nine hundred thirty-seven".