874312791 has 16 divisors (see below), whose sum is σ = 1278840960. Its totient is φ = 526922720.

The previous prime is 874312781. The next prime is 874312807. The reversal of 874312791 is 197213478.

It is a cyclic number.

It is not a de Polignac number, because 874312791 - 2¹⁴ = 874296407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874312781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68100 + ... + 79913.

It is an arithmetic number, because the mean of its divisors is an integer number (79927560).

Almost surely, 2^874312791 is an apocalyptic number.

874312791 is a deficient number, since it is larger than the sum of its proper divisors (404528169).

874312791 is a wasteful number, since it uses less digits than its factorization.

874312791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148206.

The product of its digits is 84672, while the sum is 42.

The square root of 874312791 is about 29568.7806816581. The cubic root of 874312791 is about 956.2151289433.

The spelling of 874312791 in words is "eight hundred seventy-four million, three hundred twelve thousand, seven hundred ninety-one".