80057700 has 144 divisors (see below), whose sum is σ = 260400000. Its totient is φ = 21098880.

The previous prime is 80057699. The next prime is 80057711. The reversal of 80057700 is 775008.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 402201 + ... + 402399.

Almost surely, 2^80057700 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 80057700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130200000).

80057700 is an abundant number, since it is smaller than the sum of its proper divisors (180342300).

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

80057700 is a wasteful number, since it uses less digits than its factorization.

80057700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 80057700 is about 8947.4968566633. The cubic root of 80057700 is about 430.9905055124.

The spelling of 80057700 in words is "eighty million, fifty-seven thousand, seven hundred".