78748627 has 2 divisors, whose sum is σ = 78748628. Its totient is φ = 78748626.

The previous prime is 78748613. The next prime is 78748639. The reversal of 78748627 is 72684787.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78748627 - 2²³ = 70360019 is a prime.

It is not a weakly prime, because it can be changed into another prime (78748667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39374313 + 39374314.

It is an arithmetic number, because the mean of its divisors is an integer number (39374314).

Almost surely, 2^78748627 is an apocalyptic number.

78748627 is a deficient number, since it is larger than the sum of its proper divisors (1).

78748627 is an equidigital number, since it uses as much as digits as its factorization.

78748627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 49.

The square root of 78748627 is about 8874.0423145261. The cubic root of 78748627 is about 428.6284530524.

The spelling of 78748627 in words is "seventy-eight million, seven hundred forty-eight thousand, six hundred twenty-seven".