1097874789 has 16 divisors (see below), whose sum is σ = 1597499904. Its totient is φ = 665132400.

The previous prime is 1097874769. The next prime is 1097874793. The reversal of 1097874789 is 9874787901.

It is not a de Polignac number, because 1097874789 - 2²⁵ = 1064320357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097874749) 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, 127944 + ... + 136254.

It is an arithmetic number, because the mean of its divisors is an integer number (99843744).

Almost surely, 2^1097874789 is an apocalyptic number.

It is an amenable number.

1097874789 is a deficient number, since it is larger than the sum of its proper divisors (499625115).

1097874789 is a wasteful number, since it uses less digits than its factorization.

1097874789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The square root of 1097874789 is about 33134.1936524793. The cubic root of 1097874789 is about 1031.6148950328.

The spelling of 1097874789 in words is "one billion, ninety-seven million, eight hundred seventy-four thousand, seven hundred eighty-nine".