94156987 has 2 divisors, whose sum is σ = 94156988. Its totient is φ = 94156986.

The previous prime is 94156969. The next prime is 94157003. The reversal of 94156987 is 78965149.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94156987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94156987.

It is not a weakly prime, because it can be changed into another prime (94156957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47078493 + 47078494.

It is an arithmetic number, because the mean of its divisors is an integer number (47078494).

Almost surely, 2^94156987 is an apocalyptic number.

94156987 is a deficient number, since it is larger than the sum of its proper divisors (1).

94156987 is an equidigital number, since it uses as much as digits as its factorization.

94156987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 94156987 is about 9703.4523237866. The cubic root of 94156987 is about 454.9365720867.

The spelling of 94156987 in words is "ninety-four million, one hundred fifty-six thousand, nine hundred eighty-seven".