874228157 has 4 divisors (see below), whose sum is σ = 953703456. Its totient is φ = 794752860.

The previous prime is 874228139. The next prime is 874228177. The reversal of 874228157 is 751822478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 874228157 - 2¹² = 874224061 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 (874228177) 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 3 ways as a sum of consecutive naturals, for example, 39737633 + ... + 39737654.

It is an arithmetic number, because the mean of its divisors is an integer number (238425864).

Almost surely, 2^874228157 is an apocalyptic number.

It is an amenable number.

874228157 is a deficient number, since it is larger than the sum of its proper divisors (79475299).

874228157 is a wasteful number, since it uses less digits than its factorization.

874228157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79475298.

The product of its digits is 250880, while the sum is 44.

The square root of 874228157 is about 29567.3495092137. The cubic root of 874228157 is about 956.1842738826.

The spelling of 874228157 in words is "eight hundred seventy-four million, two hundred twenty-eight thousand, one hundred fifty-seven".