1097708894 has 16 divisors (see below), whose sum is σ = 1668530448. Its totient is φ = 541575552.

The previous prime is 1097708881. The next prime is 1097708951. The reversal of 1097708894 is 4988077901.

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 7 ways as a sum of consecutive naturals, for example, 40604 + ... + 62000.

It is an arithmetic number, because the mean of its divisors is an integer number (104283153).

Almost surely, 2^1097708894 is an apocalyptic number.

1097708894 is a deficient number, since it is larger than the sum of its proper divisors (570821554).

1097708894 is a wasteful number, since it uses less digits than its factorization.

1097708894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21739.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 1097708894 is about 33131.6901772306. The cubic root of 1097708894 is about 1031.5629314952.

The spelling of 1097708894 in words is "one billion, ninety-seven million, seven hundred eight thousand, eight hundred ninety-four".