83700847849 has 16 divisors (see below), whose sum is σ = 86341746816. Its totient is φ = 81080524800.

The previous prime is 83700847843. The next prime is 83700847889. The reversal of 83700847849 is 94874800738.

It is a cyclic number.

It is not a de Polignac number, because 83700847849 - 2⁵ = 83700847817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83700847793 and 83700847802.

It is not an unprimeable number, because it can be changed into a prime (83700847843) 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, 10893289 + ... + 10900969.

It is an arithmetic number, because the mean of its divisors is an integer number (5396359176).

Almost surely, 2^83700847849 is an apocalyptic number.

It is an amenable number.

83700847849 is a deficient number, since it is larger than the sum of its proper divisors (2640898967).

83700847849 is a wasteful number, since it uses less digits than its factorization.

83700847849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 83700847849 in words is "eighty-three billion, seven hundred million, eight hundred forty-seven thousand, eight hundred forty-nine".