76493669479 has 2 divisors, whose sum is σ = 76493669480. Its totient is φ = 76493669478.

The previous prime is 76493669459. The next prime is 76493669531. The reversal of 76493669479 is 97496639467.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76493669479 - 2¹⁵ = 76493636711 is a prime.

It is a super-2 number, since 2×76493669479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76493669459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38246834739 + 38246834740.

It is an arithmetic number, because the mean of its divisors is an integer number (38246834740).

Almost surely, 2^76493669479 is an apocalyptic number.

76493669479 is a deficient number, since it is larger than the sum of its proper divisors (1).

76493669479 is an equidigital number, since it uses as much as digits as its factorization.

76493669479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370355328, while the sum is 70.

The spelling of 76493669479 in words is "seventy-six billion, four hundred ninety-three million, six hundred sixty-nine thousand, four hundred seventy-nine".