842000797 has 16 divisors (see below), whose sum is σ = 928350720. Its totient is φ = 757322800.

The previous prime is 842000791. The next prime is 842000821. The reversal of 842000797 is 797000248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842000797 - 2⁷ = 842000669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842000791) 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, 637704 + ... + 639022.

It is an arithmetic number, because the mean of its divisors is an integer number (58021920).

Almost surely, 2^842000797 is an apocalyptic number.

842000797 is the 14509-th decagonal number.

It is an amenable number.

842000797 is a deficient number, since it is larger than the sum of its proper divisors (86349923).

842000797 is a wasteful number, since it uses less digits than its factorization.

842000797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 842000797 is about 29017.2499903075. The cubic root of 842000797 is about 944.2873407849.

The spelling of 842000797 in words is "eight hundred forty-two million, seven hundred ninety-seven", and thus it is an aban number.