86494451 has 2 divisors, whose sum is σ = 86494452. Its totient is φ = 86494450.

The previous prime is 86494427. The next prime is 86494489. The reversal of 86494451 is 15449468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86494451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86494399 and 86494408.

It is not a weakly prime, because it can be changed into another prime (86494151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43247225 + 43247226.

It is an arithmetic number, because the mean of its divisors is an integer number (43247226).

Almost surely, 2^86494451 is an apocalyptic number.

86494451 is a deficient number, since it is larger than the sum of its proper divisors (1).

86494451 is an equidigital number, since it uses as much as digits as its factorization.

86494451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 86494451 is about 9300.2392979966. The cubic root of 86494451 is about 442.2448139763.

The spelling of 86494451 in words is "eighty-six million, four hundred ninety-four thousand, four hundred fifty-one".