90650377 has 2 divisors, whose sum is σ = 90650378. Its totient is φ = 90650376.

The previous prime is 90650369. The next prime is 90650381. The reversal of 90650377 is 77305609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 28933641 = 7856^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 90650377 - 2³ = 90650369 is a prime.

It is not a weakly prime, because it can be changed into another prime (90650347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45325188 + 45325189.

It is an arithmetic number, because the mean of its divisors is an integer number (45325189).

Almost surely, 2^90650377 is an apocalyptic number.

It is an amenable number.

90650377 is a deficient number, since it is larger than the sum of its proper divisors (1).

90650377 is an equidigital number, since it uses as much as digits as its factorization.

90650377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 90650377 is about 9521.0491543737. The cubic root of 90650377 is about 449.2173672187.

The spelling of 90650377 in words is "ninety million, six hundred fifty thousand, three hundred seventy-seven".