79458546971 has 2 divisors, whose sum is σ = 79458546972. Its totient is φ = 79458546970.

The previous prime is 79458546919. The next prime is 79458546983. The reversal of 79458546971 is 17964585497.

It is a strong prime.

It is an emirp because it is prime and its reverse (17964585497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79458546971 - 2²⁶ = 79391438107 is a prime.

It is a super-2 number, since 2×79458546971² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 79458546898 and 79458546907.

It is not a weakly prime, because it can be changed into another prime (79458548971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39729273485 + 39729273486.

It is an arithmetic number, because the mean of its divisors is an integer number (39729273486).

Almost surely, 2^79458546971 is an apocalyptic number.

79458546971 is a deficient number, since it is larger than the sum of its proper divisors (1).

79458546971 is an equidigital number, since it uses as much as digits as its factorization.

79458546971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 65.

The spelling of 79458546971 in words is "seventy-nine billion, four hundred fifty-eight million, five hundred forty-six thousand, nine hundred seventy-one".