90413377 has 2 divisors, whose sum is σ = 90413378. Its totient is φ = 90413376.

The previous prime is 90413369. The next prime is 90413413. The reversal of 90413377 is 77331409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 2972176 = 9351^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 90413377 - 2³ = 90413369 is a prime.

It is equal to p_5239654 and since 90413377 and 5239654 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (90413357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45206688 + 45206689.

It is an arithmetic number, because the mean of its divisors is an integer number (45206689).

Almost surely, 2^90413377 is an apocalyptic number.

It is an amenable number.

90413377 is a deficient number, since it is larger than the sum of its proper divisors (1).

90413377 is an equidigital number, since it uses as much as digits as its factorization.

90413377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 90413377 is about 9508.5949014563. The cubic root of 90413377 is about 448.8255415538.

The spelling of 90413377 in words is "ninety million, four hundred thirteen thousand, three hundred seventy-seven".