897769773734 has 32 divisors (see below), whose sum is σ = 1368139610880. Its totient is φ = 441768257632.

The previous prime is 897769773701. The next prime is 897769773751. The reversal of 897769773734 is 437377967798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47569652 + ... + 47588520.

It is an arithmetic number, because the mean of its divisors is an integer number (42754362840).

Almost surely, 2^897769773734 is an apocalyptic number.

897769773734 is a deficient number, since it is larger than the sum of its proper divisors (470369837146).

897769773734 is a wasteful number, since it uses less digits than its factorization.

897769773734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044.

The product of its digits is 2352442176, while the sum is 77.

The spelling of 897769773734 in words is "eight hundred ninety-seven billion, seven hundred sixty-nine million, seven hundred seventy-three thousand, seven hundred thirty-four".