87122255371 has 2 divisors, whose sum is σ = 87122255372. Its totient is φ = 87122255370.

The previous prime is 87122255309. The next prime is 87122255383. The reversal of 87122255371 is 17355222178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87122255371 - 2²⁵ = 87088700939 is a prime.

It is not a weakly prime, because it can be changed into another prime (87122255771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43561127685 + 43561127686.

It is an arithmetic number, because the mean of its divisors is an integer number (43561127686).

Almost surely, 2^87122255371 is an apocalyptic number.

87122255371 is a deficient number, since it is larger than the sum of its proper divisors (1).

87122255371 is an equidigital number, since it uses as much as digits as its factorization.

87122255371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 43.

The spelling of 87122255371 in words is "eighty-seven billion, one hundred twenty-two million, two hundred fifty-five thousand, three hundred seventy-one".