86693856 has 48 divisors (see below), whose sum is σ = 234920448. Its totient is φ = 27964800.

The previous prime is 86693813. The next prime is 86693899. The reversal of 86693856 is 65839668.

It is an interprime number because it is at equal distance from previous prime (86693813) and next prime (86693899).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 86693799 and 86693808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11590 + ... + 17541.

It is an arithmetic number, because the mean of its divisors is an integer number (4894176).

Almost surely, 2^86693856 is an apocalyptic number.

It is an amenable number.

86693856 is an abundant number, since it is smaller than the sum of its proper divisors (148226592).

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

86693856 is a wasteful number, since it uses less digits than its factorization.

86693856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29175 (or 29167 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 86693856 is about 9310.9535494492. The cubic root of 86693856 is about 442.5844047233.

The spelling of 86693856 in words is "eighty-six million, six hundred ninety-three thousand, eight hundred fifty-six".