90948679 has 2 divisors, whose sum is σ = 90948680. Its totient is φ = 90948678.

The previous prime is 90948667. The next prime is 90948703. The reversal of 90948679 is 97684909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90948679 - 2⁷ = 90948551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90948779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45474339 + 45474340.

It is an arithmetic number, because the mean of its divisors is an integer number (45474340).

Almost surely, 2^90948679 is an apocalyptic number.

90948679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90948679 is an equidigital number, since it uses as much as digits as its factorization.

90948679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 90948679 is about 9536.7016834962. The cubic root of 90948679 is about 449.7095722705.

The spelling of 90948679 in words is "ninety million, nine hundred forty-eight thousand, six hundred seventy-nine".