90970367 has 2 divisors, whose sum is σ = 90970368. Its totient is φ = 90970366.

The previous prime is 90970343. The next prime is 90970381. The reversal of 90970367 is 76307909.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90970367 is a prime.

It is a super-2 number, since 2×90970367² = 16551215344229378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90970387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45485183 + 45485184.

It is an arithmetic number, because the mean of its divisors is an integer number (45485184).

Almost surely, 2^90970367 is an apocalyptic number.

90970367 is a deficient number, since it is larger than the sum of its proper divisors (1).

90970367 is an equidigital number, since it uses as much as digits as its factorization.

90970367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 90970367 is about 9537.8386964763. The cubic root of 90970367 is about 449.7453159674.

The spelling of 90970367 in words is "ninety million, nine hundred seventy thousand, three hundred sixty-seven".