89616427 has 2 divisors, whose sum is σ = 89616428. Its totient is φ = 89616426.

The previous prime is 89616389. The next prime is 89616493. The reversal of 89616427 is 72461698.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89616427 is a prime.

It is a super-2 number, since 2×89616427² = 16062207976492658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89616127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44808213 + 44808214.

It is an arithmetic number, because the mean of its divisors is an integer number (44808214).

Almost surely, 2^89616427 is an apocalyptic number.

89616427 is a deficient number, since it is larger than the sum of its proper divisors (1).

89616427 is an equidigital number, since it uses as much as digits as its factorization.

89616427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 89616427 is about 9466.5953225011. The cubic root of 89616427 is about 447.5029214461.

The spelling of 89616427 in words is "eighty-nine million, six hundred sixteen thousand, four hundred twenty-seven".