86613403 has 2 divisors, whose sum is σ = 86613404. Its totient is φ = 86613402.

The previous prime is 86613391. The next prime is 86613407. The reversal of 86613403 is 30431668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86613403 is a prime.

It is not a weakly prime, because it can be changed into another prime (86613407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43306701 + 43306702.

It is an arithmetic number, because the mean of its divisors is an integer number (43306702).

Almost surely, 2^86613403 is an apocalyptic number.

86613403 is a deficient number, since it is larger than the sum of its proper divisors (1).

86613403 is an equidigital number, since it uses as much as digits as its factorization.

86613403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 86613403 is about 9306.6322050460. The cubic root of 86613403 is about 442.4474543669.

The spelling of 86613403 in words is "eighty-six million, six hundred thirteen thousand, four hundred three".