77651416382 has 8 divisors (see below), whose sum is σ = 116539517496. Its totient is φ = 38804910552.

The previous prime is 77651416361. The next prime is 77651416387. The reversal of 77651416382 is 28361415677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77651416382² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77651416382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77651416387) 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, 10394153 + ... + 10401620.

It is an arithmetic number, because the mean of its divisors is an integer number (14567439687).

Almost surely, 2^77651416382 is an apocalyptic number.

77651416382 is a deficient number, since it is larger than the sum of its proper divisors (38888101114).

77651416382 is a wasteful number, since it uses less digits than its factorization.

77651416382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20797642.

The product of its digits is 1693440, while the sum is 50.

The spelling of 77651416382 in words is "seventy-seven billion, six hundred fifty-one million, four hundred sixteen thousand, three hundred eighty-two".