88924390780217 has 2 divisors, whose sum is σ = 88924390780218. Its totient is φ = 88924390780216.

The previous prime is 88924390780213. The next prime is 88924390780229. The reversal of 88924390780217 is 71208709342988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85668426764176 + 3255964016041 = 9255724^2 + 1804429^2 .

It is a cyclic number.

It is not a de Polignac number, because 88924390780217 - 2² = 88924390780213 is a prime.

It is not a weakly prime, because it can be changed into another prime (88924390780213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44462195390108 + 44462195390109.

It is an arithmetic number, because the mean of its divisors is an integer number (44462195390109).

Almost surely, 2^{88924390780217} is an apocalyptic number.

It is an amenable number.

88924390780217 is a deficient number, since it is larger than the sum of its proper divisors (1).

88924390780217 is an equidigital number, since it uses as much as digits as its factorization.

88924390780217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 68.

The spelling of 88924390780217 in words is "eighty-eight trillion, nine hundred twenty-four billion, three hundred ninety million, seven hundred eighty thousand, two hundred seventeen".