870004780 has 48 divisors (see below), whose sum is σ = 1870848000. Its totient is φ = 339691968.

The previous prime is 870004777. The next prime is 870004781. The reversal of 870004780 is 87400078.

It is not an unprimeable number, because it can be changed into a prime (870004781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434221 + ... + 436219.

It is an arithmetic number, because the mean of its divisors is an integer number (38976000).

Almost surely, 2^870004780 is an apocalyptic number.

It is an amenable number.

870004780 is an abundant number, since it is smaller than the sum of its proper divisors (1000843220).

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

870004780 is a wasteful number, since it uses less digits than its factorization.

870004780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 870004780 is about 29495.8434359826. The cubic root of 870004780 is about 954.6420192778.

The spelling of 870004780 in words is "eight hundred seventy million, four thousand, seven hundred eighty".