88070058821 has 2 divisors, whose sum is σ = 88070058822. Its totient is φ = 88070058820.

The previous prime is 88070058751. The next prime is 88070058887. The reversal of 88070058821 is 12885007088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71829360100 + 16240698721 = 268010^2 + 127439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88070058821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88070058721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44035029410 + 44035029411.

It is an arithmetic number, because the mean of its divisors is an integer number (44035029411).

Almost surely, 2^88070058821 is an apocalyptic number.

It is an amenable number.

88070058821 is a deficient number, since it is larger than the sum of its proper divisors (1).

88070058821 is an equidigital number, since it uses as much as digits as its factorization.

88070058821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 47.

The spelling of 88070058821 in words is "eighty-eight billion, seventy million, fifty-eight thousand, eight hundred twenty-one".