78792587 has 2 divisors, whose sum is σ = 78792588. Its totient is φ = 78792586.

The previous prime is 78792559. The next prime is 78792589. The reversal of 78792587 is 78529787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78792587 - 2⁶ = 78792523 is a prime.

Together with 78792589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78792589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39396293 + 39396294.

It is an arithmetic number, because the mean of its divisors is an integer number (39396294).

Almost surely, 2^78792587 is an apocalyptic number.

78792587 is a deficient number, since it is larger than the sum of its proper divisors (1).

78792587 is an equidigital number, since it uses as much as digits as its factorization.

78792587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 53.

The square root of 78792587 is about 8876.5188559480. The cubic root of 78792587 is about 428.7081962489.

The spelling of 78792587 in words is "seventy-eight million, seven hundred ninety-two thousand, five hundred eighty-seven".