86801629 has 2 divisors, whose sum is σ = 86801630. Its totient is φ = 86801628.

The previous prime is 86801623. The next prime is 86801639. The reversal of 86801629 is 92610868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85137529 + 1664100 = 9227^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 86801629 - 2⁷ = 86801501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86801591 and 86801600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86801623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43400814 + 43400815.

It is an arithmetic number, because the mean of its divisors is an integer number (43400815).

Almost surely, 2^86801629 is an apocalyptic number.

It is an amenable number.

86801629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86801629 is an equidigital number, since it uses as much as digits as its factorization.

86801629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 86801629 is about 9316.7391827828. The cubic root of 86801629 is about 442.7677275848.

The spelling of 86801629 in words is "eighty-six million, eight hundred one thousand, six hundred twenty-nine".