90946679 has 2 divisors, whose sum is σ = 90946680. Its totient is φ = 90946678.

The previous prime is 90946649. The next prime is 90946693. The reversal of 90946679 is 97664909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90946679 - 2²⁰ = 89898103 is a prime.

It is a super-2 number, since 2×90946679² = 16542596842258082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90946649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45473339 + 45473340.

It is an arithmetic number, because the mean of its divisors is an integer number (45473340).

Almost surely, 2^90946679 is an apocalyptic number.

90946679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90946679 is an equidigital number, since it uses as much as digits as its factorization.

90946679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 90946679 is about 9536.5968248637. The cubic root of 90946679 is about 449.7062758116.

The spelling of 90946679 in words is "ninety million, nine hundred forty-six thousand, six hundred seventy-nine".