87345644170467 has 32 divisors (see below), whose sum is σ = 124385894438400. Its totient is φ = 54329062929920.

The previous prime is 87345644170439. The next prime is 87345644170553. The reversal of 87345644170467 is 76407144654378.

It is a cyclic number.

It is not a de Polignac number, because 87345644170467 - 2²² = 87345639976163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87345644170398 and 87345644170407.

It is not an unprimeable number, because it can be changed into a prime (87345644170427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7603509 + ... + 15248102.

It is an arithmetic number, because the mean of its divisors is an integer number (3887059201200).

Almost surely, 2^{87345644170467} is an apocalyptic number.

87345644170467 is a deficient number, since it is larger than the sum of its proper divisors (37040250267933).

87345644170467 is a wasteful number, since it uses less digits than its factorization.

87345644170467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22852283.

The product of its (nonzero) digits is 379330560, while the sum is 66.

The spelling of 87345644170467 in words is "eighty-seven trillion, three hundred forty-five billion, six hundred forty-four million, one hundred seventy thousand, four hundred sixty-seven".