86462869 has 2 divisors, whose sum is σ = 86462870. Its totient is φ = 86462868.

The previous prime is 86462851. The next prime is 86462881. The reversal of 86462869 is 96826468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82992100 + 3470769 = 9110^2 + 1863^2 .

It is a cyclic number.

It is not a de Polignac number, because 86462869 - 2¹⁵ = 86430101 is a prime.

It is a super-2 number, since 2×86462869² = 14951655431422322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86462839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43231434 + 43231435.

It is an arithmetic number, because the mean of its divisors is an integer number (43231435).

Almost surely, 2^86462869 is an apocalyptic number.

It is an amenable number.

86462869 is a deficient number, since it is larger than the sum of its proper divisors (1).

86462869 is an equidigital number, since it uses as much as digits as its factorization.

86462869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 49.

The square root of 86462869 is about 9298.5412296768. The cubic root of 86462869 is about 442.1909813283.

The spelling of 86462869 in words is "eighty-six million, four hundred sixty-two thousand, eight hundred sixty-nine".