87013353937 has 2 divisors, whose sum is σ = 87013353938. Its totient is φ = 87013353936.

The previous prime is 87013353929. The next prime is 87013353983. The reversal of 87013353937 is 73935331078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82741947201 + 4271406736 = 287649^2 + 65356^2 .

It is a cyclic number.

It is not a de Polignac number, because 87013353937 - 2³ = 87013353929 is a prime.

It is not a weakly prime, because it can be changed into another prime (87013353737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43506676968 + 43506676969.

It is an arithmetic number, because the mean of its divisors is an integer number (43506676969).

Almost surely, 2^87013353937 is an apocalyptic number.

It is an amenable number.

87013353937 is a deficient number, since it is larger than the sum of its proper divisors (1).

87013353937 is an equidigital number, since it uses as much as digits as its factorization.

87013353937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 87013353937 in words is "eighty-seven billion, thirteen million, three hundred fifty-three thousand, nine hundred thirty-seven".