87082531901 has 2 divisors, whose sum is σ = 87082531902. Its totient is φ = 87082531900.

The previous prime is 87082531847. The next prime is 87082531957. The reversal of 87082531901 is 10913528078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75125328100 + 11957203801 = 274090^2 + 109349^2 .

It is a cyclic number.

It is not a de Polignac number, because 87082531901 - 2²² = 87078337597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87082531201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43541265950 + 43541265951.

It is an arithmetic number, because the mean of its divisors is an integer number (43541265951).

Almost surely, 2^87082531901 is an apocalyptic number.

It is an amenable number.

87082531901 is a deficient number, since it is larger than the sum of its proper divisors (1).

87082531901 is an equidigital number, since it uses as much as digits as its factorization.

87082531901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 87082531901 in words is "eighty-seven billion, eighty-two million, five hundred thirty-one thousand, nine hundred one".