878003400 has 48 divisors (see below), whose sum is σ = 2721812400. Its totient is φ = 234134080.

The previous prime is 878003389. The next prime is 878003411. The reversal of 878003400 is 4300878.

It is an interprime number because it is at equal distance from previous prime (878003389) and next prime (878003411).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731070 + ... + 732269.

It is an arithmetic number, because the mean of its divisors is an integer number (56704425).

Almost surely, 2^878003400 is an apocalyptic number.

It is an amenable number.

878003400 is an abundant number, since it is smaller than the sum of its proper divisors (1843809000).

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

878003400 is a wasteful number, since it uses less digits than its factorization.

878003400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463358 (or 1463349 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 878003400 is about 29631.1221522237. The cubic root of 878003400 is about 957.5586840576.

The spelling of 878003400 in words is "eight hundred seventy-eight million, three thousand, four hundred".