7977956 has 12 divisors (see below), whose sum is σ = 15955968. Its totient is φ = 3419112.

The previous prime is 7977923. The next prime is 7977961. The reversal of 7977956 is 6597797.

7977956 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

7977956 is an admirable number.

It is a super-3 number, since 3×7977956³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142436 + ... + 142491.

It is an arithmetic number, because the mean of its divisors is an integer number (1329664).

Almost surely, 2^7977956 is an apocalyptic number.

It is an amenable number.

7977956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7977956 is a wasteful number, since it uses less digits than its factorization.

7977956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284938 (or 284936 counting only the distinct ones).

The product of its digits is 833490, while the sum is 50.

The square root of 7977956 is about 2824.5275711170. The cubic root of 7977956 is about 199.8161310128.

The spelling of 7977956 in words is "seven million, nine hundred seventy-seven thousand, nine hundred fifty-six".