7976997 has 24 divisors (see below), whose sum is σ = 13285376. Its totient is φ = 4517856.

The previous prime is 7976993. The next prime is 7977019. The reversal of 7976997 is 7996797.

It is not a de Polignac number, because 7976997 - 2² = 7976993 is a prime.

It is a super-3 number, since 3×7976997³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

Its product of digits (1500282) is a multiple of the sum of its prime divisors (1134).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976993) 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, 7503 + ... + 8499.

Almost surely, 2^7976997 is an apocalyptic number.

It is an amenable number.

7976997 is a deficient number, since it is larger than the sum of its proper divisors (5308379).

7976997 is a wasteful number, since it uses less digits than its factorization.

7976997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1134 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 7976997 is about 2824.3578031121. The cubic root of 7976997 is about 199.8081243108.

The spelling of 7976997 in words is "seven million, nine hundred seventy-six thousand, nine hundred ninety-seven".