86099551 has 2 divisors, whose sum is σ = 86099552. Its totient is φ = 86099550.

The previous prime is 86099527. The next prime is 86099567. The reversal of 86099551 is 15599068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86099551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86099498 and 86099507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86099591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43049775 + 43049776.

It is an arithmetic number, because the mean of its divisors is an integer number (43049776).

Almost surely, 2^86099551 is an apocalyptic number.

86099551 is a deficient number, since it is larger than the sum of its proper divisors (1).

86099551 is an equidigital number, since it uses as much as digits as its factorization.

86099551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 86099551 is about 9278.9843733029. The cubic root of 86099551 is about 441.5707478583.

The spelling of 86099551 in words is "eighty-six million, ninety-nine thousand, five hundred fifty-one".