87845092871 has 2 divisors, whose sum is σ = 87845092872. Its totient is φ = 87845092870.

The previous prime is 87845092843. The next prime is 87845092877. The reversal of 87845092871 is 17829054878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87845092871 - 2⁶ = 87845092807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87845092871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87845092877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43922546435 + 43922546436.

It is an arithmetic number, because the mean of its divisors is an integer number (43922546436).

Almost surely, 2^87845092871 is an apocalyptic number.

87845092871 is a deficient number, since it is larger than the sum of its proper divisors (1).

87845092871 is an equidigital number, since it uses as much as digits as its factorization.

87845092871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 87845092871 in words is "eighty-seven billion, eight hundred forty-five million, ninety-two thousand, eight hundred seventy-one".