86887454629 has 2 divisors, whose sum is σ = 86887454630. Its totient is φ = 86887454628.

The previous prime is 86887454623. The next prime is 86887454701. The reversal of 86887454629 is 92645478868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52028697604 + 34858757025 = 228098^2 + 186705^2 .

It is a cyclic number.

It is not a de Polignac number, because 86887454629 - 2⁹ = 86887454117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86887454623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43443727314 + 43443727315.

It is an arithmetic number, because the mean of its divisors is an integer number (43443727315).

Almost surely, 2^86887454629 is an apocalyptic number.

It is an amenable number.

86887454629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86887454629 is an equidigital number, since it uses as much as digits as its factorization.

86887454629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185794560, while the sum is 67.

The spelling of 86887454629 in words is "eighty-six billion, eight hundred eighty-seven million, four hundred fifty-four thousand, six hundred twenty-nine".