86732889437 has 2 divisors, whose sum is σ = 86732889438. Its totient is φ = 86732889436.

The previous prime is 86732889431. The next prime is 86732889443. The reversal of 86732889437 is 73498823768.

It is a balanced prime because it is at equal distance from previous prime (86732889431) and next prime (86732889443).

It can be written as a sum of positive squares in only one way, i.e., 79076814436 + 7656075001 = 281206^2 + 87499^2 .

It is a cyclic number.

It is not a de Polignac number, because 86732889437 - 2¹⁰ = 86732888413 is a prime.

It is a super-2 number, since 2×86732889437² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86732889431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43366444718 + 43366444719.

It is an arithmetic number, because the mean of its divisors is an integer number (43366444719).

Almost surely, 2^86732889437 is an apocalyptic number.

It is an amenable number.

86732889437 is a deficient number, since it is larger than the sum of its proper divisors (1).

86732889437 is an equidigital number, since it uses as much as digits as its factorization.

86732889437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 65.

The spelling of 86732889437 in words is "eighty-six billion, seven hundred thirty-two million, eight hundred eighty-nine thousand, four hundred thirty-seven".