77110642894 has 8 divisors (see below), whose sum is σ = 119654445960. Its totient is φ = 37225827576.

The previous prime is 77110642879. The next prime is 77110642901. The reversal of 77110642894 is 49824601177.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 664746864 + ... + 664746979.

It is an arithmetic number, because the mean of its divisors is an integer number (14956805745).

Almost surely, 2^77110642894 is an apocalyptic number.

77110642894 is a deficient number, since it is larger than the sum of its proper divisors (42543803066).

77110642894 is a wasteful number, since it uses less digits than its factorization.

77110642894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329493874.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 77110642894 in words is "seventy-seven billion, one hundred ten million, six hundred forty-two thousand, eight hundred ninety-four".