88094774921 has 2 divisors, whose sum is σ = 88094774922. Its totient is φ = 88094774920.

The previous prime is 88094774917. The next prime is 88094774951. The reversal of 88094774921 is 12947749088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51284131600 + 36810643321 = 226460^2 + 191861^2 .

It is a cyclic number.

It is not a de Polignac number, because 88094774921 - 2² = 88094774917 is a prime.

It is not a weakly prime, because it can be changed into another prime (88094774951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44047387460 + 44047387461.

It is an arithmetic number, because the mean of its divisors is an integer number (44047387461).

Almost surely, 2^88094774921 is an apocalyptic number.

It is an amenable number.

88094774921 is a deficient number, since it is larger than the sum of its proper divisors (1).

88094774921 is an equidigital number, since it uses as much as digits as its factorization.

88094774921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 88094774921 in words is "eighty-eight billion, ninety-four million, seven hundred seventy-four thousand, nine hundred twenty-one".