842599923081 has 16 divisors (see below), whose sum is σ = 1289289437568. Its totient is φ = 479487801600.

The previous prime is 842599923059. The next prime is 842599923101. The reversal of 842599923081 is 180329995248.

It is not a de Polignac number, because 842599923081 - 2³¹ = 840452439433 is a prime.

It is a super-2 number, since 2×842599923081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842599923181) 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, 83239350 + ... + 83249471.

It is an arithmetic number, because the mean of its divisors is an integer number (80580589848).

Almost surely, 2^842599923081 is an apocalyptic number.

It is an amenable number.

842599923081 is a deficient number, since it is larger than the sum of its proper divisors (446689514487).

842599923081 is a wasteful number, since it uses less digits than its factorization.

842599923081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166489072.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 842599923081 in words is "eight hundred forty-two billion, five hundred ninety-nine million, nine hundred twenty-three thousand, eighty-one".