7870378162 has 4 divisors (see below), whose sum is σ = 11805567246. Its totient is φ = 3935189080.

The previous prime is 7870378141. The next prime is 7870378183. The reversal of 7870378162 is 2618730787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2618730787 = 19501 ⋅134287.

It is an interprime number because it is at equal distance from previous prime (7870378141) and next prime (7870378183).

It can be written as a sum of positive squares in only one way, i.e., 6302930881 + 1567447281 = 79391^2 + 39591^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967594539 + ... + 1967594542.

Almost surely, 2^7870378162 is an apocalyptic number.

7870378162 is a deficient number, since it is larger than the sum of its proper divisors (3935189084).

7870378162 is a wasteful number, since it uses less digits than its factorization.

7870378162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935189083.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 7870378162 is about 88715.1518174883. The cubic root of 7870378162 is about 1989.1393096246.

The spelling of 7870378162 in words is "seven billion, eight hundred seventy million, three hundred seventy-eight thousand, one hundred sixty-two".