7880997 has 16 divisors (see below), whose sum is σ = 10841600. Its totient is φ = 5089392.

The previous prime is 7880989. The next prime is 7881023. The reversal of 7880997 is 7990887.

It is not a de Polignac number, because 7880997 - 2³ = 7880989 is a prime.

It is a super-2 number, since 2×7880997² = 124220227428018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7880947) 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, 25518 + ... + 25824.

It is an arithmetic number, because the mean of its divisors is an integer number (677600).

Almost surely, 2^7880997 is an apocalyptic number.

It is an amenable number.

7880997 is a deficient number, since it is larger than the sum of its proper divisors (2960603).

7880997 is a wasteful number, since it uses less digits than its factorization.

7880997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 7880997 is about 2807.3113471790. The cubic root of 7880997 is about 199.0033500274.

The spelling of 7880997 in words is "seven million, eight hundred eighty thousand, nine hundred ninety-seven".