86628743 has 2 divisors, whose sum is σ = 86628744. Its totient is φ = 86628742.

The previous prime is 86628691. The next prime is 86628757. The reversal of 86628743 is 34782668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86628743 - 2⁶ = 86628679 is a prime.

It is a super-2 number, since 2×86628743² = 15009078227520098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86628694 and 86628703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86628643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43314371 + 43314372.

It is an arithmetic number, because the mean of its divisors is an integer number (43314372).

Almost surely, 2^86628743 is an apocalyptic number.

86628743 is a deficient number, since it is larger than the sum of its proper divisors (1).

86628743 is an equidigital number, since it uses as much as digits as its factorization.

86628743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 86628743 is about 9307.4563120114. The cubic root of 86628743 is about 442.4735732779.

The spelling of 86628743 in words is "eighty-six million, six hundred twenty-eight thousand, seven hundred forty-three".