92181387290387 has 2 divisors, whose sum is σ = 92181387290388. Its totient is φ = 92181387290386.

The previous prime is 92181387290371. The next prime is 92181387290429. The reversal of 92181387290387 is 78309278318129.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 92181387290387 - 2⁴ = 92181387290371 is a prime.

It is not a weakly prime, because it can be changed into another prime (92181387290327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46090693645193 + 46090693645194.

It is an arithmetic number, because the mean of its divisors is an integer number (46090693645194).

Almost surely, 2^{92181387290387} is an apocalyptic number.

92181387290387 is a deficient number, since it is larger than the sum of its proper divisors (1).

92181387290387 is an equidigital number, since it uses as much as digits as its factorization.

92181387290387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 92181387290387 in words is "ninety-two trillion, one hundred eighty-one billion, three hundred eighty-seven million, two hundred ninety thousand, three hundred eighty-seven".