378072777259 has 4 divisors (see below), whose sum is σ = 378243621216. Its totient is φ = 377901933304.

The previous prime is 378072777211. The next prime is 378072777263. The reversal of 378072777259 is 952777270873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952777270873 = 167 ⋅5705253119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378072777259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378072777259.

It is not an unprimeable number, because it can be changed into a prime (378072774259) 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, 85418659 + ... + 85423084.

It is an arithmetic number, because the mean of its divisors is an integer number (94560905304).

Almost surely, 2^378072777259 is an apocalyptic number.

378072777259 is a deficient number, since it is larger than the sum of its proper divisors (170843957).

378072777259 is a wasteful number, since it uses less digits than its factorization.

378072777259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170843956.

The product of its (nonzero) digits is 72606240, while the sum is 64.

The spelling of 378072777259 in words is "three hundred seventy-eight billion, seventy-two million, seven hundred seventy-seven thousand, two hundred fifty-nine".