9977937 has 8 divisors (see below), whose sum is σ = 13472640. Its totient is φ = 6567600.

The previous prime is 9977923. The next prime is 9977951. The reversal of 9977937 is 7397799.

It is an interprime number because it is at equal distance from previous prime (9977923) and next prime (9977951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9977937 - 2⁴ = 9977921 is a prime.

It is a d-powerful number, because it can be written as 9⁵ + 9⁷ + 7⁶ + 7⁶ + 9⁷ + 3 + 7⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 9977937.

It is not an unprimeable number, because it can be changed into a prime (9977917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20814 + ... + 21287.

It is an arithmetic number, because the mean of its divisors is an integer number (1684080).

Almost surely, 2^9977937 is an apocalyptic number.

It is an amenable number.

9977937 is a deficient number, since it is larger than the sum of its proper divisors (3494703).

9977937 is a wasteful number, since it uses less digits than its factorization.

9977937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42183.

The product of its digits is 750141, while the sum is 51.

The square root of 9977937 is about 3158.7872672910. The cubic root of 9977937 is about 215.2849080264.

The spelling of 9977937 in words is "nine million, nine hundred seventy-seven thousand, nine hundred thirty-seven".