80867800 has 96 divisors (see below), whose sum is σ = 213267600. Its totient is φ = 28270080.

The previous prime is 80867783. The next prime is 80867807. The reversal of 80867800 is 876808.

It is a self number, because there is not a number n which added to its sum of digits gives 80867800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80867807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48582 + ... + 50218.

Almost surely, 2^80867800 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 80867800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106633800).

80867800 is an abundant number, since it is smaller than the sum of its proper divisors (132399800).

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

80867800 is a wasteful number, since it uses less digits than its factorization.

80867800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 80867800 is about 8992.6525563929. The cubic root of 80867800 is about 432.4393535421.

The spelling of 80867800 in words is "eighty million, eight hundred sixty-seven thousand, eight hundred".