87835704872 has 16 divisors (see below), whose sum is σ = 164696350560. Its totient is φ = 43916678064.

The previous prime is 87835704871. The next prime is 87835704881. The reversal of 87835704872 is 27840753878.

It is a super-2 number, since 2×87835704872² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87835704871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227093 + ... + 476699.

It is an arithmetic number, because the mean of its divisors is an integer number (10293521910).

Almost surely, 2^87835704872 is an apocalyptic number.

It is an amenable number.

87835704872 is a deficient number, since it is larger than the sum of its proper divisors (76860645688).

87835704872 is a wasteful number, since it uses less digits than its factorization.

87835704872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293600 (or 293596 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 87835704872 in words is "eighty-seven billion, eight hundred thirty-five million, seven hundred four thousand, eight hundred seventy-two".