77386672371 has 8 divisors (see below), whose sum is σ = 103184188624. Its totient is φ = 51590135520.

The previous prime is 77386672351. The next prime is 77386672381. The reversal of 77386672371 is 17327668377.

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

It is not a de Polignac number, because 77386672371 - 2¹⁷ = 77386541299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77386672351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34720 + ... + 394941.

It is an arithmetic number, because the mean of its divisors is an integer number (12898023578).

Almost surely, 2^77386672371 is an apocalyptic number.

77386672371 is a deficient number, since it is larger than the sum of its proper divisors (25797516253).

77386672371 is a wasteful number, since it uses less digits than its factorization.

77386672371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489701.

The product of its digits is 12446784, while the sum is 57.

The spelling of 77386672371 in words is "seventy-seven billion, three hundred eighty-six million, six hundred seventy-two thousand, three hundred seventy-one".