80773433857 has 8 divisors (see below), whose sum is σ = 81528673184. Its totient is φ = 80021361888.

The previous prime is 80773433843. The next prime is 80773433887. The reversal of 80773433857 is 75833437708.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80773433857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80773433798 and 80773433807.

It is not an unprimeable number, because it can be changed into a prime (80773433887) 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, 740583 + ... + 842620.

It is an arithmetic number, because the mean of its divisors is an integer number (10191084148).

Almost surely, 2^80773433857 is an apocalyptic number.

It is an amenable number.

80773433857 is a deficient number, since it is larger than the sum of its proper divisors (755239327).

80773433857 is a wasteful number, since it uses less digits than its factorization.

80773433857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583679.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 80773433857 in words is "eighty billion, seven hundred seventy-three million, four hundred thirty-three thousand, eight hundred fifty-seven".