86611630 has 16 divisors (see below), whose sum is σ = 178172640. Its totient is φ = 29695392.

The previous prime is 86611621. The next prime is 86611631. The reversal of 86611630 is 3611668.

It is a junction number, because it is equal to n+sod(n) for n = 86611592 and 86611601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86611631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618585 + ... + 618724.

It is an arithmetic number, because the mean of its divisors is an integer number (11135790).

Almost surely, 2^86611630 is an apocalyptic number.

86611630 is an abundant number, since it is smaller than the sum of its proper divisors (91561010).

86611630 is a wasteful number, since it uses less digits than its factorization.

86611630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237323.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86611630 is about 9306.5369499078. The cubic root of 86611630 is about 442.4444353395. Note that the first 4 decimals are identical.

The spelling of 86611630 in words is "eighty-six million, six hundred eleven thousand, six hundred thirty".