9977465889 has 6 divisors (see below), whose sum is σ = 14411895186. Its totient is φ = 6651643920.

The previous prime is 9977465879. The next prime is 9977465893. The reversal of 9977465889 is 9885647799.

9977465889 is a `hidden beast` number, since 99 + 77 + 465 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5961075264 + 4016390625 = 77208^2 + 63375^2 .

It is not a de Polignac number, because 9977465889 - 2⁵ = 9977465857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9977465879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554303652 + ... + 554303669.

It is an arithmetic number, because the mean of its divisors is an integer number (2401982531).

Almost surely, 2^9977465889 is an apocalyptic number.

It is an amenable number.

9977465889 is a deficient number, since it is larger than the sum of its proper divisors (4434429297).

9977465889 is a wasteful number, since it uses less digits than its factorization.

9977465889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108607327 (or 1108607324 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The square root of 9977465889 is about 99887.2659001136. The cubic root of 9977465889 is about 2152.8151972795.

The spelling of 9977465889 in words is "nine billion, nine hundred seventy-seven million, four hundred sixty-five thousand, eight hundred eighty-nine".