8402999801 has 8 divisors (see below), whose sum is σ = 9608463744. Its totient is φ = 7198794720.

The previous prime is 8402999797. The next prime is 8402999809. The reversal of 8402999801 is 1089992048.

It is a happy number.

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 8402999801 - 2² = 8402999797 is a prime.

It is a super-2 number, since 2×8402999801² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8402999801.

It is not an unprimeable number, because it can be changed into a prime (8402999809) 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, 300365 + ... + 327146.

It is an arithmetic number, because the mean of its divisors is an integer number (1201057968).

Almost surely, 2^8402999801 is an apocalyptic number.

It is an amenable number.

8402999801 is a deficient number, since it is larger than the sum of its proper divisors (1205463943).

8402999801 is a wasteful number, since it uses less digits than its factorization.

8402999801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629431.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 8402999801 is about 91667.8776944247. The cubic root of 8402999801 is about 2033.0346679098.

The spelling of 8402999801 in words is "eight billion, four hundred two million, nine hundred ninety-nine thousand, eight hundred one".