87451235514 has 48 divisors (see below), whose sum is σ = 199475265600. Its totient is φ = 27612707328.

The previous prime is 87451235453. The next prime is 87451235527. The reversal of 87451235514 is 41553215478.

87451235514 is a `hidden beast` number, since 8 + 7 + 4 + 5 + 123 + 5 + 514 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 87451235514.

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 23 ways as a sum of consecutive naturals, for example, 4923802 + ... + 4941530.

It is an arithmetic number, because the mean of its divisors is an integer number (4155734700).

Almost surely, 2^87451235514 is an apocalyptic number.

87451235514 is an abundant number, since it is smaller than the sum of its proper divisors (112024030086).

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

87451235514 is a wasteful number, since it uses less digits than its factorization.

87451235514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32179 (or 32176 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 87451235514 in words is "eighty-seven billion, four hundred fifty-one million, two hundred thirty-five thousand, five hundred fourteen".