7771996 has 12 divisors (see below), whose sum is σ = 13663552. Its totient is φ = 3868128.

The previous prime is 7771993. The next prime is 7771997. The reversal of 7771996 is 6991777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7771993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3465 + ... + 5248.

Almost surely, 2^7771996 is an apocalyptic number.

It is an amenable number.

7771996 is a deficient number, since it is larger than the sum of its proper divisors (5891556).

7771996 is a wasteful number, since it uses less digits than its factorization.

7771996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940 (or 8938 counting only the distinct ones).

The product of its digits is 166698, while the sum is 46.

The square root of 7771996 is about 2787.8299804687. The cubic root of 7771996 is about 198.0816246801.

It can be divided in two parts, 77719 and 96, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 7771996 in words is "seven million, seven hundred seventy-one thousand, nine hundred ninety-six".