86163751825507 has 4 divisors (see below), whose sum is σ = 87789482992080. Its totient is φ = 84538020658936.

The previous prime is 86163751825499. The next prime is 86163751825531. The reversal of 86163751825507 is 70552815736168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86163751825507 - 2³ = 86163751825499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86163751825007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812865583207 + ... + 812865583312.

It is an arithmetic number, because the mean of its divisors is an integer number (21947370748020).

Almost surely, 2^{86163751825507} is an apocalyptic number.

86163751825507 is a deficient number, since it is larger than the sum of its proper divisors (1625731166573).

86163751825507 is a wasteful number, since it uses less digits than its factorization.

86163751825507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625731166572.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 86163751825507 in words is "eighty-six trillion, one hundred sixty-three billion, seven hundred fifty-one million, eight hundred twenty-five thousand, five hundred seven".