80894792 has 48 divisors (see below), whose sum is σ = 167971020. Its totient is φ = 36495360.

The previous prime is 80894771. The next prime is 80894813. The reversal of 80894792 is 29749808.

It is an interprime number because it is at equal distance from previous prime (80894771) and next prime (80894813).

It can be written as a sum of positive squares in 2 ways, for example, as 70997476 + 9897316 = 8426^2 + 3146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186608 + ... + 187040.

Almost surely, 2^80894792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80894792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83985510).

80894792 is an abundant number, since it is smaller than the sum of its proper divisors (87076228).

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

80894792 is a wasteful number, since it uses less digits than its factorization.

80894792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 80894792 is about 8994.1532119483. The cubic root of 80894792 is about 432.4874612958.

The spelling of 80894792 in words is "eighty million, eight hundred ninety-four thousand, seven hundred ninety-two".