378987902 has 8 divisors (see below), whose sum is σ = 601922016. Its totient is φ = 178347232.

The previous prime is 378987883. The next prime is 378987911. The reversal of 378987902 is 209789873.

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

It is a congruent number.

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, 5573318 + ... + 5573385.

It is an arithmetic number, because the mean of its divisors is an integer number (75240252).

Almost surely, 2^378987902 is an apocalyptic number.

378987902 is a deficient number, since it is larger than the sum of its proper divisors (222934114).

378987902 is a wasteful number, since it uses less digits than its factorization.

378987902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146722.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 378987902 is about 19467.6116151931. The cubic root of 378987902 is about 723.6720213524.

The spelling of 378987902 in words is "three hundred seventy-eight million, nine hundred eighty-seven thousand, nine hundred two".