7143828774 has 32 divisors (see below), whose sum is σ = 15143145696. Its totient is φ = 2238973440.

The previous prime is 7143828751. The next prime is 7143828781. The reversal of 7143828774 is 4778283417.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69844 + ... + 138440.

It is an arithmetic number, because the mean of its divisors is an integer number (473223303).

Almost surely, 2^7143828774 is an apocalyptic number.

7143828774 is an abundant number, since it is smaller than the sum of its proper divisors (7999316922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7143828774 is a wasteful number, since it uses less digits than its factorization.

7143828774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69640.

The product of its digits is 2107392, while the sum is 51.

The square root of 7143828774 is about 84521.1735247447. The cubic root of 7143828774 is about 1925.9441053084.

The spelling of 7143828774 in words is "seven billion, one hundred forty-three million, eight hundred twenty-eight thousand, seven hundred seventy-four".