9997377 has 24 divisors (see below), whose sum is σ = 15266496. Its totient is φ = 5783808.

The previous prime is 9997367. The next prime is 9997381. The reversal of 9997377 is 7737999.

It is not a de Polignac number, because 9997377 - 2¹¹ = 9995329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

9997377 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10828 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (636104).

Almost surely, 2^9997377 is an apocalyptic number.

It is an amenable number.

9997377 is a deficient number, since it is larger than the sum of its proper divisors (5269119).

9997377 is a wasteful number, since it uses less digits than its factorization.

9997377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 920 counting only the distinct ones).

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

The square root of 9997377 is about 3161.8629002536. The cubic root of 9997377 is about 215.4246304153.

The spelling of 9997377 in words is "nine million, nine hundred ninety-seven thousand, three hundred seventy-seven".