86758943 has 2 divisors, whose sum is σ = 86758944. Its totient is φ = 86758942.

The previous prime is 86758937. The next prime is 86758961. The reversal of 86758943 is 34985768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86758943 - 2¹² = 86754847 is a prime.

It is a super-2 number, since 2×86758943² = 15054228380954498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86758891 and 86758900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86758913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43379471 + 43379472.

It is an arithmetic number, because the mean of its divisors is an integer number (43379472).

Almost surely, 2^86758943 is an apocalyptic number.

86758943 is a deficient number, since it is larger than the sum of its proper divisors (1).

86758943 is an equidigital number, since it uses as much as digits as its factorization.

86758943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 86758943 is about 9314.4480781204. The cubic root of 86758943 is about 442.6951364656.

The spelling of 86758943 in words is "eighty-six million, seven hundred fifty-eight thousand, nine hundred forty-three".