80746880 has 64 divisors (see below), whose sum is σ = 195864480. Its totient is φ = 31825920.

The previous prime is 80746871. The next prime is 80746891. The reversal of 80746880 is 8864708.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44552 + ... + 46328.

Almost surely, 2^80746880 is an apocalyptic number.

80746880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97932240).

80746880 is an abundant number, since it is smaller than the sum of its proper divisors (115117600).

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

80746880 is a wasteful number, since it uses less digits than its factorization.

80746880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 80746880 is about 8985.9267746850. The cubic root of 80746880 is about 432.2237067238.

The spelling of 80746880 in words is "eighty million, seven hundred forty-six thousand, eight hundred eighty".