80393779623 has 8 divisors (see below), whose sum is σ = 107540866048. Its totient is φ = 53421273144.

The previous prime is 80393779619. The next prime is 80393779643. The reversal of 80393779623 is 32697739308.

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 80393779623 - 2² = 80393779619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80393779643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43643911 + ... + 43645752.

It is an arithmetic number, because the mean of its divisors is an integer number (13442608256).

Almost surely, 2^80393779623 is an apocalyptic number.

80393779623 is a deficient number, since it is larger than the sum of its proper divisors (27147086425).

80393779623 is a wasteful number, since it uses less digits than its factorization.

80393779623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87289973.

The product of its (nonzero) digits is 10287648, while the sum is 57.

It can be divided in two parts, 80393 and 779623, that added together give a triangular number (860016 = T₁₃₁₁).

The spelling of 80393779623 in words is "eighty billion, three hundred ninety-three million, seven hundred seventy-nine thousand, six hundred twenty-three".