842479801 has 8 divisors (see below), whose sum is σ = 851329440. Its totient is φ = 833648448.

The previous prime is 842479793. The next prime is 842479837. The reversal of 842479801 is 108974248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 842479801 - 2³ = 842479793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842479861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100510 + ... + 108568.

It is an arithmetic number, because the mean of its divisors is an integer number (106416180).

Almost surely, 2^842479801 is an apocalyptic number.

It is an amenable number.

842479801 is a deficient number, since it is larger than the sum of its proper divisors (8849639).

842479801 is a wasteful number, since it uses less digits than its factorization.

842479801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 842479801 is about 29025.5025968544. The cubic root of 842479801 is about 944.4663713628.

The spelling of 842479801 in words is "eight hundred forty-two million, four hundred seventy-nine thousand, eight hundred one".