86931700 has 18 divisors (see below), whose sum is σ = 188642006. Its totient is φ = 34772640.

The previous prime is 86931673. The next prime is 86931701. The reversal of 86931700 is 713968.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 86527204 = 636^2 + 9302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86931701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434559 + ... + 434758.

Almost surely, 2^86931700 is an apocalyptic number.

It is an amenable number.

86931700 is an abundant number, since it is smaller than the sum of its proper divisors (101710306).

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

86931700 is a wasteful number, since it uses less digits than its factorization.

86931700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869331 (or 869324 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 86931700 is about 9323.7170699244. The cubic root of 86931700 is about 442.9887775778.

The spelling of 86931700 in words is "eighty-six million, nine hundred thirty-one thousand, seven hundred".