900098977 has 2 divisors, whose sum is σ = 900098978. Its totient is φ = 900098976.

The previous prime is 900098957. The next prime is 900099007. The reversal of 900098977 is 779890009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697435281 + 202663696 = 26409^2 + 14236^2 .

It is an emirp because it is prime and its reverse (779890009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900098977 - 2¹¹ = 900096929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900098977.

It is not a weakly prime, because it can be changed into another prime (900098917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450049488 + 450049489.

It is an arithmetic number, because the mean of its divisors is an integer number (450049489).

Almost surely, 2^900098977 is an apocalyptic number.

It is an amenable number.

900098977 is a deficient number, since it is larger than the sum of its proper divisors (1).

900098977 is an equidigital number, since it uses as much as digits as its factorization.

900098977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 900098977 is about 30001.6495713152. The cubic root of 900098977 is about 965.5247763612.

The spelling of 900098977 in words is "nine hundred million, ninety-eight thousand, nine hundred seventy-seven".