87666470889734 has 64 divisors (see below), whose sum is σ = 149933930065920. Its totient is φ = 38054120591520.

The previous prime is 87666470889713. The next prime is 87666470889743. The reversal of 87666470889734 is 43798807466678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496828519 + ... + 1496887085.

It is an arithmetic number, because the mean of its divisors is an integer number (2342717657280).

Almost surely, 2^{87666470889734} is an apocalyptic number.

87666470889734 is a deficient number, since it is larger than the sum of its proper divisors (62267459176186).

87666470889734 is a wasteful number, since it uses less digits than its factorization.

87666470889734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63345.

The product of its (nonzero) digits is 16387080192, while the sum is 83.

The spelling of 87666470889734 in words is "eighty-seven trillion, six hundred sixty-six billion, four hundred seventy million, eight hundred eighty-nine thousand, seven hundred thirty-four".