5156357378 has 4 divisors (see below), whose sum is σ = 7734536070. Its totient is φ = 2578178688.

The previous prime is 5156357369. The next prime is 5156357399. The reversal of 5156357378 is 8737536515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8737536515 = 5 ⋅1747507303.

It can be written as a sum of positive squares in only one way, i.e., 4742112769 + 414244609 = 68863^2 + 20353^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289089343 + ... + 1289089346.

Almost surely, 2^5156357378 is an apocalyptic number.

5156357378 is a deficient number, since it is larger than the sum of its proper divisors (2578178692).

5156357378 is a wasteful number, since it uses less digits than its factorization.

5156357378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578178691.

The product of its digits is 2646000, while the sum is 50.

The square root of 5156357378 is about 71807.7807622544. The cubic root of 5156357378 is about 1727.6177997820.

The spelling of 5156357378 in words is "five billion, one hundred fifty-six million, three hundred fifty-seven thousand, three hundred seventy-eight".