86861630 has 8 divisors (see below), whose sum is σ = 156350952. Its totient is φ = 34744648.

The previous prime is 86861627. The next prime is 86861683. The reversal of 86861630 is 3616868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4343072 + ... + 4343091.

It is an arithmetic number, because the mean of its divisors is an integer number (19543869).

Almost surely, 2^86861630 is an apocalyptic number.

86861630 is a deficient number, since it is larger than the sum of its proper divisors (69489322).

86861630 is a wasteful number, since it uses less digits than its factorization.

86861630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686170.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86861630 is about 9319.9586908956. The cubic root of 86861630 is about 442.8697240864.

The spelling of 86861630 in words is "eighty-six million, eight hundred sixty-one thousand, six hundred thirty".