378772307 has 4 divisors (see below), whose sum is σ = 378867960. Its totient is φ = 378676656.

The previous prime is 378772301. The next prime is 378772313. The reversal of 378772307 is 703277873.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (378772301) and next prime (378772313).

It is a cyclic number.

It is not a de Polignac number, because 378772307 - 2¹⁸ = 378510163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378772301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41618 + ... + 49895.

It is an arithmetic number, because the mean of its divisors is an integer number (94716990).

Almost surely, 2^378772307 is an apocalyptic number.

378772307 is a deficient number, since it is larger than the sum of its proper divisors (95653).

378772307 is an equidigital number, since it uses as much as digits as its factorization.

378772307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95652.

The product of its (nonzero) digits is 345744, while the sum is 44.

The square root of 378772307 is about 19462.0735534526. The cubic root of 378772307 is about 723.5347701253.

The spelling of 378772307 in words is "three hundred seventy-eight million, seven hundred seventy-two thousand, three hundred seven".