87877028810 has 8 divisors (see below), whose sum is σ = 158178651876. Its totient is φ = 35150811520.

The previous prime is 87877028777. The next prime is 87877028851. The reversal of 87877028810 is 1882077878.

It can be written as a sum of positive squares in 2 ways, for example, as 87331479361 + 545549449 = 295519^2 + 23357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87877028810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393851431 + ... + 4393851450.

Almost surely, 2^87877028810 is an apocalyptic number.

87877028810 is a deficient number, since it is larger than the sum of its proper divisors (70301623066).

87877028810 is a wasteful number, since it uses less digits than its factorization.

87877028810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787702888.

The product of its (nonzero) digits is 2809856, while the sum is 56.

The spelling of 87877028810 in words is "eighty-seven billion, eight hundred seventy-seven million, twenty-eight thousand, eight hundred ten".