80078657293 has 8 divisors (see below), whose sum is σ = 82592190720. Its totient is φ = 77598862800.

The previous prime is 80078657291. The next prime is 80078657299. The reversal of 80078657293 is 39275687008.

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

It is a cyclic number.

It is not a de Polignac number, because 80078657293 - 2¹ = 80078657291 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 (80078657291) 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, 8429913 + ... + 8439406.

It is an arithmetic number, because the mean of its divisors is an integer number (10324023840).

Almost surely, 2^80078657293 is an apocalyptic number.

It is an amenable number.

80078657293 is a deficient number, since it is larger than the sum of its proper divisors (2513533427).

80078657293 is a wasteful number, since it uses less digits than its factorization.

80078657293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869467.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 80078657293 in words is "eighty billion, seventy-eight million, six hundred fifty-seven thousand, two hundred ninety-three".