86237783953 has 2 divisors, whose sum is σ = 86237783954. Its totient is φ = 86237783952.

The previous prime is 86237783939. The next prime is 86237783959. The reversal of 86237783953 is 35938773268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45517369104 + 40720414849 = 213348^2 + 201793^2 .

It is a cyclic number.

It is not a de Polignac number, because 86237783953 - 2⁹ = 86237783441 is a prime.

It is a super-2 number, since 2×86237783953² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86237783891 and 86237783900.

It is not a weakly prime, because it can be changed into another prime (86237783959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43118891976 + 43118891977.

It is an arithmetic number, because the mean of its divisors is an integer number (43118891977).

Almost surely, 2^86237783953 is an apocalyptic number.

It is an amenable number.

86237783953 is a deficient number, since it is larger than the sum of its proper divisors (1).

86237783953 is an equidigital number, since it uses as much as digits as its factorization.

86237783953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 61.

The spelling of 86237783953 in words is "eighty-six billion, two hundred thirty-seven million, seven hundred eighty-three thousand, nine hundred fifty-three".