94215791279 has 2 divisors, whose sum is σ = 94215791280. Its totient is φ = 94215791278.

The previous prime is 94215791231. The next prime is 94215791377. The reversal of 94215791279 is 97219751249.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94215791279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94215391279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47107895639 + 47107895640.

It is an arithmetic number, because the mean of its divisors is an integer number (47107895640).

Almost surely, 2^94215791279 is an apocalyptic number.

94215791279 is a deficient number, since it is larger than the sum of its proper divisors (1).

94215791279 is an equidigital number, since it uses as much as digits as its factorization.

94215791279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 56.

The spelling of 94215791279 in words is "ninety-four billion, two hundred fifteen million, seven hundred ninety-one thousand, two hundred seventy-nine".