89876993 has 2 divisors, whose sum is σ = 89876994. Its totient is φ = 89876992.

The previous prime is 89876989. The next prime is 89877017. The reversal of 89876993 is 39967898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 28912129 = 7808^2 + 5377^2 .

It is a cyclic number.

It is not a de Polignac number, because 89876993 - 2² = 89876989 is a prime.

It is not a weakly prime, because it can be changed into another prime (89876903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44938496 + 44938497.

It is an arithmetic number, because the mean of its divisors is an integer number (44938497).

Almost surely, 2^89876993 is an apocalyptic number.

It is an amenable number.

89876993 is a deficient number, since it is larger than the sum of its proper divisors (1).

89876993 is an equidigital number, since it uses as much as digits as its factorization.

89876993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 89876993 is about 9480.3477256902. The cubic root of 89876993 is about 447.9362170701.

The spelling of 89876993 in words is "eighty-nine million, eight hundred seventy-six thousand, nine hundred ninety-three".