842798667 has 16 divisors (see below), whose sum is σ = 1189520640. Its totient is φ = 529872672.

The previous prime is 842798629. The next prime is 842798669. The reversal of 842798667 is 766897248.

It is not a de Polignac number, because 842798667 - 2¹⁰ = 842797643 is a prime.

It is a super-3 number, since 3×842798667³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (842798669) 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, 108903 + ... + 116384.

It is an arithmetic number, because the mean of its divisors is an integer number (74345040).

Almost surely, 2^842798667 is an apocalyptic number.

842798667 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

842798667 is a deficient number, since it is larger than the sum of its proper divisors (346721973).

842798667 is a wasteful number, since it uses less digits than its factorization.

842798667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225362.

The product of its digits is 8128512, while the sum is 57.

The square root of 842798667 is about 29030.9949364468. The cubic root of 842798667 is about 944.5855117967.

The spelling of 842798667 in words is "eight hundred forty-two million, seven hundred ninety-eight thousand, six hundred sixty-seven".