9797977 has 16 divisors (see below), whose sum is σ = 12303360. Its totient is φ = 7607952.

The previous prime is 9797959. The next prime is 9797993. The reversal of 9797977 is 7797979.

It is a cyclic number.

It is not a de Polignac number, because 9797977 - 2⁷ = 9797849 is a prime.

It is a super-4 number, since 4×9797977⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9797917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (768960).

Almost surely, 2^9797977 is an apocalyptic number.

It is an amenable number.

9797977 is a deficient number, since it is larger than the sum of its proper divisors (2505383).

9797977 is a wasteful number, since it uses less digits than its factorization.

9797977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252.

The product of its digits is 1750329, while the sum is 55.

The square root of 9797977 is about 3130.1720400004. The cubic root of 9797977 is about 213.9827700339.

The spelling of 9797977 in words is "nine million, seven hundred ninety-seven thousand, nine hundred seventy-seven".