77216396 has 6 divisors (see below), whose sum is σ = 135128700. Its totient is φ = 38608196.

The previous prime is 77216383. The next prime is 77216411. The reversal of 77216396 is 69361277.

It is a super-2 number, since 2×77216396² = 11924743622457632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9652046 + ... + 9652053.

It is an arithmetic number, because the mean of its divisors is an integer number (22521450).

Almost surely, 2^77216396 is an apocalyptic number.

It is an amenable number.

77216396 is a deficient number, since it is larger than the sum of its proper divisors (57912304).

77216396 is a wasteful number, since it uses less digits than its factorization.

77216396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304103 (or 19304101 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 77216396 is about 8787.2860429145. The cubic root of 77216396 is about 425.8302496916.

The spelling of 77216396 in words is "seventy-seven million, two hundred sixteen thousand, three hundred ninety-six".