93942779627 has 2 divisors, whose sum is σ = 93942779628. Its totient is φ = 93942779626.

The previous prime is 93942779459. The next prime is 93942779629. The reversal of 93942779627 is 72697724939.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93942779627 is a prime.

Together with 93942779629, 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 (93942779629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46971389813 + 46971389814.

It is an arithmetic number, because the mean of its divisors is an integer number (46971389814).

Almost surely, 2^93942779627 is an apocalyptic number.

93942779627 is a deficient number, since it is larger than the sum of its proper divisors (1).

93942779627 is an equidigital number, since it uses as much as digits as its factorization.

93942779627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 65.

The spelling of 93942779627 in words is "ninety-three billion, nine hundred forty-two million, seven hundred seventy-nine thousand, six hundred twenty-seven".