80477700 has 72 divisors (see below), whose sum is σ = 233755872. Its totient is φ = 21377280.

The previous prime is 80477693. The next prime is 80477723. The reversal of 80477700 is 777408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136807 + ... + 137393.

Almost surely, 2^80477700 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 80477700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116877936).

80477700 is an abundant number, since it is smaller than the sum of its proper divisors (153278172).

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

80477700 is a wasteful number, since it uses less digits than its factorization.

80477700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 80477700 is about 8970.9364059723. The cubic root of 80477700 is about 431.7428811198.

The spelling of 80477700 in words is "eighty million, four hundred seventy-seven thousand, seven hundred".