77516799382 has 12 divisors (see below), whose sum is σ = 126847808676. Its totient is φ = 35234315220.

The previous prime is 77516799361. The next prime is 77516799403. The reversal of 77516799382 is 28399761577.

It is an interprime number because it is at equal distance from previous prime (77516799361) and next prime (77516799403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276219 + ... + 1335577.

It is an arithmetic number, because the mean of its divisors is an integer number (10570650723).

Almost surely, 2^77516799382 is an apocalyptic number.

77516799382 is a deficient number, since it is larger than the sum of its proper divisors (49331009294).

77516799382 is an frugal number, since it uses more digits than its factorization.

77516799382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118731 (or 59372 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 64.

The spelling of 77516799382 in words is "seventy-seven billion, five hundred sixteen million, seven hundred ninety-nine thousand, three hundred eighty-two".