87710429140 has 24 divisors (see below), whose sum is σ = 184333969512. Its totient is φ = 35057111040.

The previous prime is 87710429117. The next prime is 87710429171. The reversal of 87710429140 is 4192401778.

It can be written as a sum of positive squares in 4 ways, for example, as 30836764816 + 56873664324 = 175604^2 + 238482^2 .

It is a super-2 number, since 2×87710429140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664701 + ... + 1716580.

It is an arithmetic number, because the mean of its divisors is an integer number (7680582063).

Almost surely, 2^87710429140 is an apocalyptic number.

It is an amenable number.

87710429140 is an abundant number, since it is smaller than the sum of its proper divisors (96623540372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87710429140 is a wasteful number, since it uses less digits than its factorization.

87710429140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382587 (or 3382585 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 87710429140 in words is "eighty-seven billion, seven hundred ten million, four hundred twenty-nine thousand, one hundred forty".