878374642 has 8 divisors (see below), whose sum is σ = 1332366300. Its totient is φ = 434252544.

The previous prime is 878374619. The next prime is 878374687. The reversal of 878374642 is 246473878.

It can be written as a sum of positive squares in 2 ways, for example, as 855036081 + 23338561 = 29241^2 + 4831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467167 + ... + 2467522.

Almost surely, 2^878374642 is an apocalyptic number.

878374642 is a deficient number, since it is larger than the sum of its proper divisors (453991658).

878374642 is a wasteful number, since it uses less digits than its factorization.

878374642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934780.

The product of its digits is 1806336, while the sum is 49.

The square root of 878374642 is about 29637.3858833737. The cubic root of 878374642 is about 957.6936250347.

The spelling of 878374642 in words is "eight hundred seventy-eight million, three hundred seventy-four thousand, six hundred forty-two".