4157278903 has 4 divisors (see below), whose sum is σ = 4157413128. Its totient is φ = 4157144680.

The previous prime is 4157278897. The next prime is 4157279039. The reversal of 4157278903 is 3098727514.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4157278903 - 2⁵ = 4157278871 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 (4157273903) 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, 5625 + ... + 91357.

It is an arithmetic number, because the mean of its divisors is an integer number (1039353282).

Almost surely, 2^4157278903 is an apocalyptic number.

4157278903 is a deficient number, since it is larger than the sum of its proper divisors (134225).

4157278903 is an equidigital number, since it uses as much as digits as its factorization.

4157278903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134224.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 4157278903 is about 64476.9641267329. The cubic root of 4157278903 is about 1607.9395607703.

The spelling of 4157278903 in words is "four billion, one hundred fifty-seven million, two hundred seventy-eight thousand, nine hundred three".