90202814407 has 2 divisors, whose sum is σ = 90202814408. Its totient is φ = 90202814406.

The previous prime is 90202814381. The next prime is 90202814413. The reversal of 90202814407 is 70441820209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90202814407 - 2²⁷ = 90068596679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90202814447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45101407203 + 45101407204.

It is an arithmetic number, because the mean of its divisors is an integer number (45101407204).

Almost surely, 2^90202814407 is an apocalyptic number.

90202814407 is a deficient number, since it is larger than the sum of its proper divisors (1).

90202814407 is an equidigital number, since it uses as much as digits as its factorization.

90202814407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 90202814407 in words is "ninety billion, two hundred two million, eight hundred fourteen thousand, four hundred seven".