80765000694 has 96 divisors (see below), whose sum is σ = 208053570816. Its totient is φ = 23002613280.

The previous prime is 80765000677. The next prime is 80765000711. The reversal of 80765000694 is 49600056708.

80765000694 is a `hidden beast` number, since 80 + 7 + 6 + 500 + 0 + 69 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (80765000677) and next prime (80765000711).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1040989 + ... + 1115879.

It is an arithmetic number, because the mean of its divisors is an integer number (2167224696).

Almost surely, 2^80765000694 is an apocalyptic number.

80765000694 is the 179739-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80765000694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104026785408).

80765000694 is an abundant number, since it is smaller than the sum of its proper divisors (127288570122).

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

80765000694 is a wasteful number, since it uses less digits than its factorization.

80765000694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75232 (or 75220 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 80765000694 in words is "eighty billion, seven hundred sixty-five million, six hundred ninety-four", and thus it is an aban number.