86723500 has 48 divisors (see below), whose sum is σ = 191292192. Its totient is φ = 34344000.

The previous prime is 86723479. The next prime is 86723521. The reversal of 86723500 is 532768.

It is an interprime number because it is at equal distance from previous prime (86723479) and next prime (86723521).

It is a super-3 number, since 3×86723500³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52690 + ... + 54310.

It is an arithmetic number, because the mean of its divisors is an integer number (3985254).

Almost surely, 2^86723500 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 86723500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95646096).

86723500 is an abundant number, since it is smaller than the sum of its proper divisors (104568692).

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

86723500 is a wasteful number, since it uses less digits than its factorization.

86723500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 86723500 is about 9312.5453019032. The cubic root of 86723500 is about 442.6348445798.

The spelling of 86723500 in words is "eighty-six million, seven hundred twenty-three thousand, five hundred".