8701099605 has 96 divisors (see below), whose sum is σ = 16651215360. Its totient is φ = 4168275840.

The previous prime is 8701099573. The next prime is 8701099633. The reversal of 8701099605 is 5069901078.

It is not a de Polignac number, because 8701099605 - 2⁵ = 8701099573 is a prime.

It is a super-2 number, since 2×8701099605² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25075042 + ... + 25075388.

It is an arithmetic number, because the mean of its divisors is an integer number (173450160).

Almost surely, 2^8701099605 is an apocalyptic number.

It is an amenable number.

8701099605 is a deficient number, since it is larger than the sum of its proper divisors (7950115755).

8701099605 is a wasteful number, since it uses less digits than its factorization.

8701099605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 8701099605 is about 93279.6848461657. The cubic root of 8701099605 is about 2056.7967626984.

The spelling of 8701099605 in words is "eight billion, seven hundred one million, ninety-nine thousand, six hundred five".