77361697 has 8 divisors (see below), whose sum is σ = 88626752. Its totient is φ = 66150000.

The previous prime is 77361667. The next prime is 77361733. The reversal of 77361697 is 79616377.

It is a happy number.

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

It is not a de Polignac number, because 77361697 - 2⁷ = 77361569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77361607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10179 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (11078344).

Almost surely, 2^77361697 is an apocalyptic number.

It is an amenable number.

77361697 is a deficient number, since it is larger than the sum of its proper divisors (11265055).

77361697 is a wasteful number, since it uses less digits than its factorization.

77361697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26679.

The product of its digits is 333396, while the sum is 46.

The square root of 77361697 is about 8795.5498406865. The cubic root of 77361697 is about 426.0971826009.

The spelling of 77361697 in words is "seventy-seven million, three hundred sixty-one thousand, six hundred ninety-seven".