378789502 has 36 divisors (see below), whose sum is σ = 715733496. Its totient is φ = 149844240.

The previous prime is 378789487. The next prime is 378789511. The reversal of 378789502 is 205987873.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 17 ways as a sum of consecutive naturals, for example, 5127 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (19881486).

Almost surely, 2^378789502 is an apocalyptic number.

378789502 is a deficient number, since it is larger than the sum of its proper divisors (336943994).

378789502 is a wasteful number, since it uses less digits than its factorization.

378789502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22913 (or 22893 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 378789502 is about 19462.5153050678. The cubic root of 378789502 is about 723.5457186484.

The spelling of 378789502 in words is "three hundred seventy-eight million, seven hundred eighty-nine thousand, five hundred two".