79008031481 has 2 divisors, whose sum is σ = 79008031482. Its totient is φ = 79008031480.

The previous prime is 79008031411. The next prime is 79008031489. The reversal of 79008031481 is 18413080097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77140063081 + 1867968400 = 277741^2 + 43220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79008031481 is a prime.

It is a super-2 number, since 2×79008031481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79008031489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39504015740 + 39504015741.

It is an arithmetic number, because the mean of its divisors is an integer number (39504015741).

Almost surely, 2^79008031481 is an apocalyptic number.

It is an amenable number.

79008031481 is a deficient number, since it is larger than the sum of its proper divisors (1).

79008031481 is an equidigital number, since it uses as much as digits as its factorization.

79008031481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 79008031481 in words is "seventy-nine billion, eight million, thirty-one thousand, four hundred eighty-one".