77482079 has 2 divisors, whose sum is σ = 77482080. Its totient is φ = 77482078.

The previous prime is 77482061. The next prime is 77482081. The reversal of 77482079 is 97028477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77482079 - 2²⁰ = 76433503 is a prime.

Together with 77482081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77482099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38741039 + 38741040.

It is an arithmetic number, because the mean of its divisors is an integer number (38741040).

Almost surely, 2^77482079 is an apocalyptic number.

77482079 is a deficient number, since it is larger than the sum of its proper divisors (1).

77482079 is an equidigital number, since it uses as much as digits as its factorization.

77482079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 77482079 is about 8802.3905275783. The cubic root of 77482079 is about 426.3180836829.

The spelling of 77482079 in words is "seventy-seven million, four hundred eighty-two thousand, seventy-nine".