77090865346 has 32 divisors (see below), whose sum is σ = 129111288768. Its totient is φ = 34218723840.

The previous prime is 77090865331. The next prime is 77090865353. The reversal of 77090865346 is 64356809077.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7366950 + ... + 7377406.

It is an arithmetic number, because the mean of its divisors is an integer number (4034727774).

Almost surely, 2^77090865346 is an apocalyptic number.

77090865346 is a deficient number, since it is larger than the sum of its proper divisors (52020423422).

77090865346 is a wasteful number, since it uses less digits than its factorization.

77090865346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18306.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 77090865346 in words is "seventy-seven billion, ninety million, eight hundred sixty-five thousand, three hundred forty-six".