77713396 has 6 divisors (see below), whose sum is σ = 135998450. Its totient is φ = 38856696.

The previous prime is 77713379. The next prime is 77713411. The reversal of 77713396 is 69331777.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 3132900 = 8636^2 + 1770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9714171 + ... + 9714178.

Almost surely, 2^77713396 is an apocalyptic number.

It is an amenable number.

77713396 is a deficient number, since it is larger than the sum of its proper divisors (58285054).

77713396 is a wasteful number, since it uses less digits than its factorization.

77713396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428353 (or 19428351 counting only the distinct ones).

The product of its digits is 166698, while the sum is 43.

The square root of 77713396 is about 8815.5201775051. The cubic root of 77713396 is about 426.7419092020.

The spelling of 77713396 in words is "seventy-seven million, seven hundred thirteen thousand, three hundred ninety-six".