87812302870 has 16 divisors (see below), whose sum is σ = 158146299360. Its totient is φ = 35106220224.

The previous prime is 87812302819. The next prime is 87812302883. The reversal of 87812302870 is 7820321878.

It is a super-2 number, since 2×87812302870² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87812302870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317887 + ... + 2355466.

It is an arithmetic number, because the mean of its divisors is an integer number (9884143710).

Almost surely, 2^87812302870 is an apocalyptic number.

87812302870 is a deficient number, since it is larger than the sum of its proper divisors (70333996490).

87812302870 is a wasteful number, since it uses less digits than its factorization.

87812302870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675239.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 87812302870 in words is "eighty-seven billion, eight hundred twelve million, three hundred two thousand, eight hundred seventy".