9000977 has 4 divisors (see below), whose sum is σ = 9148596. Its totient is φ = 8853360.

The previous prime is 9000961. The next prime is 9000983. The reversal of 9000977 is 7790009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 8288641 = 844^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000977 - 2⁴ = 9000961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73718 + ... + 73839.

It is an arithmetic number, because the mean of its divisors is an integer number (2287149).

Almost surely, 2^9000977 is an apocalyptic number.

It is an amenable number.

9000977 is a deficient number, since it is larger than the sum of its proper divisors (147619).

9000977 is a wasteful number, since it uses less digits than its factorization.

9000977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147618.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 9000977 is about 3000.1628289145. The cubic root of 9000977 is about 208.0159088547.

Adding to 9000977 its sum of digits (32), we get a palindrome (9001009).

The spelling of 9000977 in words is "nine million, nine hundred seventy-seven", and thus it is an aban number.