7797967 has 4 divisors (see below), whose sum is σ = 7808976. Its totient is φ = 7786960.

The previous prime is 7797953. The next prime is 7797983. The reversal of 7797967 is 7697977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7697977 = 7 ⋅1099711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7797967 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 (7797997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4363 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (1952244).

Almost surely, 2^7797967 is an apocalyptic number.

7797967 is a deficient number, since it is larger than the sum of its proper divisors (11009).

7797967 is a wasteful number, since it uses less digits than its factorization.

7797967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008.

The product of its digits is 1166886, while the sum is 52.

The square root of 7797967 is about 2792.4840196499. The cubic root of 7797967 is about 198.3020167268.

The spelling of 7797967 in words is "seven million, seven hundred ninety-seven thousand, nine hundred sixty-seven".