77299316 has 12 divisors (see below), whose sum is σ = 136170720. Its totient is φ = 38393400.

The previous prime is 77299291. The next prime is 77299319. The reversal of 77299316 is 61399277.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77299319) 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, 63386 + ... + 64593.

It is an arithmetic number, because the mean of its divisors is an integer number (11347560).

Almost surely, 2^77299316 is an apocalyptic number.

It is an amenable number.

77299316 is a deficient number, since it is larger than the sum of its proper divisors (58871404).

77299316 is a wasteful number, since it uses less digits than its factorization.

77299316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128134 (or 128132 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 77299316 is about 8792.0029572334. The cubic root of 77299316 is about 425.9826232562.

The spelling of 77299316 in words is "seventy-seven million, two hundred ninety-nine thousand, three hundred sixteen".