94778908373 has 2 divisors, whose sum is σ = 94778908374. Its totient is φ = 94778908372.

The previous prime is 94778908361. The next prime is 94778908387. The reversal of 94778908373 is 37380987749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67432663684 + 27346244689 = 259678^2 + 165367^2 .

It is a cyclic number.

It is not a de Polignac number, because 94778908373 - 2⁸ = 94778908117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94778908073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47389454186 + 47389454187.

It is an arithmetic number, because the mean of its divisors is an integer number (47389454187).

Almost surely, 2^94778908373 is an apocalyptic number.

It is an amenable number.

94778908373 is a deficient number, since it is larger than the sum of its proper divisors (1).

94778908373 is an equidigital number, since it uses as much as digits as its factorization.

94778908373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 94778908373 in words is "ninety-four billion, seven hundred seventy-eight million, nine hundred eight thousand, three hundred seventy-three".