77460801806 has 4 divisors (see below), whose sum is σ = 116191202712. Its totient is φ = 38730400902.

The previous prime is 77460801763. The next prime is 77460801829. The reversal of 77460801806 is 60810806477.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19365200450 + ... + 19365200453.

It is an arithmetic number, because the mean of its divisors is an integer number (29047800678).

Almost surely, 2^77460801806 is an apocalyptic number.

77460801806 is a deficient number, since it is larger than the sum of its proper divisors (38730400906).

77460801806 is a wasteful number, since it uses less digits than its factorization.

77460801806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730400905.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 77460801806 in words is "seventy-seven billion, four hundred sixty million, eight hundred one thousand, eight hundred six".