88685665051 has 2 divisors, whose sum is σ = 88685665052. Its totient is φ = 88685665050.

The previous prime is 88685665043. The next prime is 88685665121. The reversal of 88685665051 is 15056658688.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88685665051 - 2³ = 88685665043 is a prime.

It is not a weakly prime, because it can be changed into another prime (88685665031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44342832525 + 44342832526.

It is an arithmetic number, because the mean of its divisors is an integer number (44342832526).

Almost surely, 2^88685665051 is an apocalyptic number.

88685665051 is a deficient number, since it is larger than the sum of its proper divisors (1).

88685665051 is an equidigital number, since it uses as much as digits as its factorization.

88685665051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 88685665051 in words is "eighty-eight billion, six hundred eighty-five million, six hundred sixty-five thousand, fifty-one".