86936901849 has 48 divisors (see below), whose sum is σ = 146240640000. Its totient is φ = 48738087648.

The previous prime is 86936901823. The next prime is 86936901871. The reversal of 86936901849 is 94810963968.

It is a happy number.

It is not a de Polignac number, because 86936901849 - 2¹¹ = 86936899801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (86936901949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1846402 + ... + 1892900.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680000).

Almost surely, 2^86936901849 is an apocalyptic number.

It is an amenable number.

86936901849 is a deficient number, since it is larger than the sum of its proper divisors (59303738151).

86936901849 is a wasteful number, since it uses less digits than its factorization.

86936901849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47074 (or 47071 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 86936901849 in words is "eighty-six billion, nine hundred thirty-six million, nine hundred one thousand, eight hundred forty-nine".