4791378157 has 8 divisors (see below), whose sum is σ = 4910458784. Its totient is φ = 4672645488.

The previous prime is 4791378127. The next prime is 4791378191. The reversal of 4791378157 is 7518731974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4791378157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791378127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58998 + ... + 114295.

It is an arithmetic number, because the mean of its divisors is an integer number (613807348).

Almost surely, 2^4791378157 is an apocalyptic number.

It is an amenable number.

4791378157 is a deficient number, since it is larger than the sum of its proper divisors (119080627).

4791378157 is a wasteful number, since it uses less digits than its factorization.

4791378157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173979.

The product of its digits is 1481760, while the sum is 52.

The square root of 4791378157 is about 69219.7815440066. The cubic root of 4791378157 is about 1685.8547330523.

The spelling of 4791378157 in words is "four billion, seven hundred ninety-one million, three hundred seventy-eight thousand, one hundred fifty-seven".