9977687413 has 4 divisors (see below), whose sum is σ = 10564610220. Its totient is φ = 9390764608.

The previous prime is 9977687347. The next prime is 9977687437. The reversal of 9977687413 is 3147867799.

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 3354494724 + 6623192689 = 57918^2 + 81383^2 .

It is a cyclic number.

It is not a de Polignac number, because 9977687413 - 2¹³ = 9977679221 is a prime.

It is a super-2 number, since 2×9977687413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977687483) 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, 293461378 + ... + 293461411.

It is an arithmetic number, because the mean of its divisors is an integer number (2641152555).

Almost surely, 2^9977687413 is an apocalyptic number.

It is an amenable number.

9977687413 is a deficient number, since it is larger than the sum of its proper divisors (586922807).

9977687413 is a wasteful number, since it uses less digits than its factorization.

9977687413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586922806.

The product of its digits is 16003008, while the sum is 61.

The square root of 9977687413 is about 99888.3747640335. The cubic root of 9977687413 is about 2152.8311297387.

The spelling of 9977687413 in words is "nine billion, nine hundred seventy-seven million, six hundred eighty-seven thousand, four hundred thirteen".