90410977 has 2 divisors, whose sum is σ = 90410978. Its totient is φ = 90410976.

The previous prime is 90410963. The next prime is 90411007. The reversal of 90410977 is 77901409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78570496 + 11840481 = 8864^2 + 3441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90410977 is a prime.

It is not a weakly prime, because it can be changed into another prime (90410077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45205488 + 45205489.

It is an arithmetic number, because the mean of its divisors is an integer number (45205489).

Almost surely, 2^90410977 is an apocalyptic number.

It is an amenable number.

90410977 is a deficient number, since it is larger than the sum of its proper divisors (1).

90410977 is an equidigital number, since it uses as much as digits as its factorization.

90410977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 90410977 is about 9508.4686990072. The cubic root of 90410977 is about 448.8215701989.

It can be divided in two parts, 904 and 10977, that added together give a square (11881 = 109²).

The spelling of 90410977 in words is "ninety million, four hundred ten thousand, nine hundred seventy-seven".