87311811734 has 16 divisors (see below), whose sum is σ = 152862018048. Its totient is φ = 36623191272.

The previous prime is 87311811689. The next prime is 87311811877. The reversal of 87311811734 is 43711811378.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66345704 + ... + 66347019.

It is an arithmetic number, because the mean of its divisors is an integer number (9553876128).

Almost surely, 2^87311811734 is an apocalyptic number.

87311811734 is a deficient number, since it is larger than the sum of its proper divisors (65550206314).

87311811734 is a wasteful number, since it uses less digits than its factorization.

87311811734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132692779.

The product of its digits is 112896, while the sum is 44.

The spelling of 87311811734 in words is "eighty-seven billion, three hundred eleven million, eight hundred eleven thousand, seven hundred thirty-four".