378706724641 has 12 divisors (see below), whose sum is σ = 452443577152. Its totient is φ = 310492466856.

The previous prime is 378706724639. The next prime is 378706724681. The reversal of 378706724641 is 146427607873.

It is a happy number.

It is not a de Polignac number, because 378706724641 - 2¹ = 378706724639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378706724681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51131421 + ... + 51138826.

Almost surely, 2^378706724641 is an apocalyptic number.

It is an amenable number.

378706724641 is a deficient number, since it is larger than the sum of its proper divisors (73736852511).

378706724641 is a wasteful number, since it uses less digits than its factorization.

378706724641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102270300 (or 102270277 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 378706724641 in words is "three hundred seventy-eight billion, seven hundred six million, seven hundred twenty-four thousand, six hundred forty-one".