77760016 has 20 divisors (see below), whose sum is σ = 152569600. Its totient is φ = 38387232.

The previous prime is 77760013. The next prime is 77760019. The reversal of 77760016 is 61006777.

It is an interprime number because it is at equal distance from previous prime (77760013) and next prime (77760019).

It is not an unprimeable number, because it can be changed into a prime (77760013) 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, 29496 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (7628480).

Almost surely, 2^77760016 is an apocalyptic number.

It is an amenable number.

77760016 is a deficient number, since it is larger than the sum of its proper divisors (74809584).

77760016 is a wasteful number, since it uses less digits than its factorization.

77760016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61606 (or 61600 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 77760016 is about 8818.1639812378. The cubic root of 77760016 is about 426.8272258136.

The spelling of 77760016 in words is "seventy-seven million, seven hundred sixty thousand, sixteen".