378765208730 has 16 divisors (see below), whose sum is σ = 683116829640. Its totient is φ = 151208427072.

The previous prime is 378765208729. The next prime is 378765208793. The reversal of 378765208730 is 37802567873.

It can be written as a sum of positive squares in 4 ways, for example, as 316812505321 + 61952703409 = 562861^2 + 248903^2 .

It is a super-3 number, since 3×378765208730³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37201709 + ... + 37211888.

Almost surely, 2^378765208730 is an apocalyptic number.

378765208730 is a deficient number, since it is larger than the sum of its proper divisors (304351620910).

378765208730 is a wasteful number, since it uses less digits than its factorization.

378765208730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74414113.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 378765208730 in words is "three hundred seventy-eight billion, seven hundred sixty-five million, two hundred eight thousand, seven hundred thirty".