9977407 has 8 divisors (see below), whose sum is σ = 10927872. Its totient is φ = 9034200.

The previous prime is 9977399. The next prime is 9977411. The reversal of 9977407 is 7047799.

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

It is a cyclic number.

It is not a de Polignac number, because 9977407 - 2³ = 9977399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (1365984).

Almost surely, 2^9977407 is an apocalyptic number.

9977407 is a deficient number, since it is larger than the sum of its proper divisors (950465).

9977407 is a wasteful number, since it uses less digits than its factorization.

9977407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 9977407 is about 3158.7033732214. The cubic root of 9977407 is about 215.2810961822.

The spelling of 9977407 in words is "nine million, nine hundred seventy-seven thousand, four hundred seven".