878637948 has 12 divisors (see below), whose sum is σ = 2050155240. Its totient is φ = 292879312.

The previous prime is 878637937. The next prime is 878637959. The reversal of 878637948 is 849736878.

It is an interprime number because it is at equal distance from previous prime (878637937) and next prime (878637959).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 878637891 and 878637900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36609903 + ... + 36609926.

It is an arithmetic number, because the mean of its divisors is an integer number (170846270).

Almost surely, 2^878637948 is an apocalyptic number.

It is an amenable number.

878637948 is an abundant number, since it is smaller than the sum of its proper divisors (1171517292).

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

878637948 is a wasteful number, since it uses less digits than its factorization.

878637948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73219836 (or 73219834 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 878637948 is about 29641.8276764440. The cubic root of 878637948 is about 957.7893098267.

The spelling of 878637948 in words is "eight hundred seventy-eight million, six hundred thirty-seven thousand, nine hundred forty-eight".