86726031 has 48 divisors (see below), whose sum is σ = 142228224. Its totient is φ = 46776576.

The previous prime is 86726009. The next prime is 86726041. The reversal of 86726031 is 13062768.

It is not a de Polignac number, because 86726031 - 2⁵ = 86725999 is a prime.

It is a super-2 number, since 2×86726031² = 15042808906025922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86725983 and 86726001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86726041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381940 + ... + 382166.

It is an arithmetic number, because the mean of its divisors is an integer number (2963088).

Almost surely, 2^86726031 is an apocalyptic number.

86726031 is a deficient number, since it is larger than the sum of its proper divisors (55502193).

86726031 is a wasteful number, since it uses less digits than its factorization.

86726031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 86726031 is about 9312.6811928681. The cubic root of 86726031 is about 442.6391505941.

Adding to 86726031 its reverse (13062768), we get a palindrome (99788799).

The spelling of 86726031 in words is "eighty-six million, seven hundred twenty-six thousand, thirty-one".