378821093502 has 32 divisors (see below), whose sum is σ = 775338407424. Its totient is φ = 123335273600.

The previous prime is 378821093473. The next prime is 378821093531. The reversal of 378821093502 is 205390128873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (378821093473) and next prime (378821093531).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229499 + ... + 1506422.

It is an arithmetic number, because the mean of its divisors is an integer number (24229325232).

Almost surely, 2^378821093502 is an apocalyptic number.

378821093502 is an abundant number, since it is smaller than the sum of its proper divisors (396517313922).

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

378821093502 is a wasteful number, since it uses less digits than its factorization.

378821093502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736464.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 378821093502 in words is "three hundred seventy-eight billion, eight hundred twenty-one million, ninety-three thousand, five hundred two".