86652001989 has 32 divisors (see below), whose sum is σ = 146827146240. Its totient is φ = 49476697776.

The previous prime is 86652001967. The next prime is 86652001993. The reversal of 86652001989 is 98910025668.

It is a happy number.

It is not a de Polignac number, because 86652001989 - 2¹³ = 86651993797 is a prime.

It is a super-2 number, since 2×86652001989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86652005989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63814 + ... + 421160.

It is an arithmetic number, because the mean of its divisors is an integer number (4588348320).

Almost surely, 2^86652001989 is an apocalyptic number.

It is an amenable number.

86652001989 is a deficient number, since it is larger than the sum of its proper divisors (60175144251).

86652001989 is a wasteful number, since it uses less digits than its factorization.

86652001989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358646 (or 358640 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 86652001989 in words is "eighty-six billion, six hundred fifty-two million, one thousand, nine hundred eighty-nine".