878461830 has 48 divisors (see below), whose sum is σ = 2312930880. Its totient is φ = 231289344.

The previous prime is 878461811. The next prime is 878461853. The reversal of 878461830 is 38164878.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54667 + ... + 68886.

It is an arithmetic number, because the mean of its divisors is an integer number (48186060).

Almost surely, 2^878461830 is an apocalyptic number.

878461830 is an abundant number, since it is smaller than the sum of its proper divisors (1434469050).

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

878461830 is a wasteful number, since it uses less digits than its factorization.

878461830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123645 (or 123642 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 878461830 is about 29638.8567593286. The cubic root of 878461830 is about 957.7253110698.

It can be divided in two parts, 87846 and 1830, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 878461830 in words is "eight hundred seventy-eight million, four hundred sixty-one thousand, eight hundred thirty".