90697052167 has 2 divisors, whose sum is σ = 90697052168. Its totient is φ = 90697052166.

The previous prime is 90697052071. The next prime is 90697052219. The reversal of 90697052167 is 76125079609.

It is a happy number.

It is an a-pointer prime, because the next prime (90697052219) can be obtained adding 90697052167 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90697052167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90697050167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45348526083 + 45348526084.

It is an arithmetic number, because the mean of its divisors is an integer number (45348526084).

Almost surely, 2^90697052167 is an apocalyptic number.

90697052167 is a deficient number, since it is larger than the sum of its proper divisors (1).

90697052167 is an equidigital number, since it uses as much as digits as its factorization.

90697052167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 90697052167 in words is "ninety billion, six hundred ninety-seven million, fifty-two thousand, one hundred sixty-seven".