80891754858 has 48 divisors (see below), whose sum is σ = 186562958400. Its totient is φ = 25257735360.

The previous prime is 80891754851. The next prime is 80891754899. The reversal of 80891754858 is 85845719808.

80891754858 is a `hidden beast` number, since 8 + 0 + 89 + 1 + 7 + 548 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 80891754795 and 80891754804.

It is not an unprimeable number, because it can be changed into a prime (80891754851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298358 + ... + 1359233.

It is an arithmetic number, because the mean of its divisors is an integer number (3886728300).

Almost surely, 2^80891754858 is an apocalyptic number.

80891754858 is an abundant number, since it is smaller than the sum of its proper divisors (105671203542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80891754858 is a wasteful number, since it uses less digits than its factorization.

80891754858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657707 (or 2657704 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 63.

The spelling of 80891754858 in words is "eighty billion, eight hundred ninety-one million, seven hundred fifty-four thousand, eight hundred fifty-eight".