87951724803 has 40 divisors (see below), whose sum is σ = 137147091840. Its totient is φ = 56105343360.

The previous prime is 87951724799. The next prime is 87951724811. The reversal of 87951724803 is 30842715978.

It is a happy number.

87951724803 is a `hidden beast` number, since 8 + 7 + 95 + 1 + 72 + 480 + 3 = 666.

It is not a de Polignac number, because 87951724803 - 2² = 87951724799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87951724803.

It is not an unprimeable number, because it can be changed into a prime (87951724873) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26701 + ... + 420257.

It is an arithmetic number, because the mean of its divisors is an integer number (3428677296).

Almost surely, 2^87951724803 is an apocalyptic number.

87951724803 is a deficient number, since it is larger than the sum of its proper divisors (49195367037).

87951724803 is a wasteful number, since it uses less digits than its factorization.

87951724803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393689 (or 393680 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 87951724803 in words is "eighty-seven billion, nine hundred fifty-one million, seven hundred twenty-four thousand, eight hundred three".