87164523734 has 4 divisors (see below), whose sum is σ = 130746785604. Its totient is φ = 43582261866.

The previous prime is 87164523727. The next prime is 87164523737. The reversal of 87164523734 is 43732546178.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87164523737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21791130932 + ... + 21791130935.

It is an arithmetic number, because the mean of its divisors is an integer number (32686696401).

Almost surely, 2^87164523734 is an apocalyptic number.

87164523734 is a deficient number, since it is larger than the sum of its proper divisors (43582261870).

87164523734 is a wasteful number, since it uses less digits than its factorization.

87164523734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43582261869.

The product of its digits is 3386880, while the sum is 50.

The spelling of 87164523734 in words is "eighty-seven billion, one hundred sixty-four million, five hundred twenty-three thousand, seven hundred thirty-four".