86210033957 has 2 divisors, whose sum is σ = 86210033958. Its totient is φ = 86210033956.

The previous prime is 86210033953. The next prime is 86210034011. The reversal of 86210033957 is 75933001268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84700789156 + 1509244801 = 291034^2 + 38849^2 .

It is a cyclic number.

It is not a de Polignac number, because 86210033957 - 2² = 86210033953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86210033951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43105016978 + 43105016979.

It is an arithmetic number, because the mean of its divisors is an integer number (43105016979).

Almost surely, 2^86210033957 is an apocalyptic number.

It is an amenable number.

86210033957 is a deficient number, since it is larger than the sum of its proper divisors (1).

86210033957 is an equidigital number, since it uses as much as digits as its factorization.

86210033957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 86210033957 in words is "eighty-six billion, two hundred ten million, thirty-three thousand, nine hundred fifty-seven".