86687496 has 160 divisors (see below), whose sum is σ = 287496000. Its totient is φ = 23877504.

The previous prime is 86687479. The next prime is 86687509. The reversal of 86687496 is 69478668.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131215 + ... + 131873.

It is an arithmetic number, because the mean of its divisors is an integer number (1796850).

Almost surely, 2^86687496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86687496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143748000).

86687496 is an abundant number, since it is smaller than the sum of its proper divisors (200808504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86687496 is a wasteful number, since it uses less digits than its factorization.

86687496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 700 counting only the distinct ones).

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

The square root of 86687496 is about 9310.6120099594. The cubic root of 86687496 is about 442.5735815586.

The spelling of 86687496 in words is "eighty-six million, six hundred eighty-seven thousand, four hundred ninety-six".