86964687 has 24 divisors (see below), whose sum is σ = 127617984. Its totient is φ = 57060864.

The previous prime is 86964677. The next prime is 86964697. The reversal of 86964687 is 78646968.

It is an interprime number because it is at equal distance from previous prime (86964677) and next prime (86964697).

It is not a de Polignac number, because 86964687 - 2¹⁵ = 86931919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86964607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236778 + ... + 237144.

It is an arithmetic number, because the mean of its divisors is an integer number (5317416).

Almost surely, 2^86964687 is an apocalyptic number.

86964687 is a deficient number, since it is larger than the sum of its proper divisors (40653297).

86964687 is a wasteful number, since it uses less digits than its factorization.

86964687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 86964687 is about 9325.4858854646. The cubic root of 86964687 is about 443.0448024912.

It can be divided in two parts, 869 and 64687, that added together give a palindrome (65556).

The spelling of 86964687 in words is "eighty-six million, nine hundred sixty-four thousand, six hundred eighty-seven".