94978577 has 2 divisors, whose sum is σ = 94978578. Its totient is φ = 94978576.

The previous prime is 94978573. The next prime is 94978679. The reversal of 94978577 is 77587949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80263681 + 14714896 = 8959^2 + 3836^2 .

It is a cyclic number.

It is not a de Polignac number, because 94978577 - 2² = 94978573 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94978573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47489288 + 47489289.

It is an arithmetic number, because the mean of its divisors is an integer number (47489289).

Almost surely, 2^94978577 is an apocalyptic number.

It is an amenable number.

94978577 is a deficient number, since it is larger than the sum of its proper divisors (1).

94978577 is an equidigital number, since it uses as much as digits as its factorization.

94978577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The square root of 94978577 is about 9745.6953061339. The cubic root of 94978577 is about 456.2559623415.

The spelling of 94978577 in words is "ninety-four million, nine hundred seventy-eight thousand, five hundred seventy-seven".