79762489 has 2 divisors, whose sum is σ = 79762490. Its totient is φ = 79762488.

The previous prime is 79762457. The next prime is 79762517. The reversal of 79762489 is 98426797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50168889 + 29593600 = 7083^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 79762489 - 2⁵ = 79762457 is a prime.

It is not a weakly prime, because it can be changed into another prime (79762409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39881244 + 39881245.

It is an arithmetic number, because the mean of its divisors is an integer number (39881245).

Almost surely, 2^79762489 is an apocalyptic number.

It is an amenable number.

79762489 is a deficient number, since it is larger than the sum of its proper divisors (1).

79762489 is an equidigital number, since it uses as much as digits as its factorization.

79762489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 79762489 is about 8930.9847721290. The cubic root of 79762489 is about 430.4600970316.

The spelling of 79762489 in words is "seventy-nine million, seven hundred sixty-two thousand, four hundred eighty-nine".