898957977742 has 16 divisors (see below), whose sum is σ = 1484040044592. Its totient is φ = 405001179520.

The previous prime is 898957977727. The next prime is 898957977767. The reversal of 898957977742 is 247779759898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180801613 + ... + 180806584.

It is an arithmetic number, because the mean of its divisors is an integer number (92752502787).

Almost surely, 2^898957977742 is an apocalyptic number.

898957977742 is a deficient number, since it is larger than the sum of its proper divisors (585082066850).

898957977742 is a wasteful number, since it uses less digits than its factorization.

898957977742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361608323.

The product of its digits is 4480842240, while the sum is 82.

The spelling of 898957977742 in words is "eight hundred ninety-eight billion, nine hundred fifty-seven million, nine hundred seventy-seven thousand, seven hundred forty-two".