77379486 has 8 divisors (see below), whose sum is σ = 154758984. Its totient is φ = 25793160.

The previous prime is 77379481. The next prime is 77379487. The reversal of 77379486 is 68497377.

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

77379486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77379481) 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, 6448285 + ... + 6448296.

It is an arithmetic number, because the mean of its divisors is an integer number (19344873).

Almost surely, 2^77379486 is an apocalyptic number.

77379486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77379486 is a wasteful number, since it uses less digits than its factorization.

77379486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896586.

The product of its digits is 1778112, while the sum is 51.

The square root of 77379486 is about 8796.5610325854. The cubic root of 77379486 is about 426.1298398554.

The spelling of 77379486 in words is "seventy-seven million, three hundred seventy-nine thousand, four hundred eighty-six".