87914841978 has 16 divisors (see below), whose sum is σ = 175833403776. Its totient is φ = 29304327360.

The previous prime is 87914841943. The next prime is 87914842019.

87914841978 is nontrivially palindromic in base 10.

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, 223263 + ... + 475053.

It is an arithmetic number, because the mean of its divisors is an integer number (10989587736).

Almost surely, 2^87914841978 is an apocalyptic number.

87914841978 is an abundant number, since it is smaller than the sum of its proper divisors (87918561798).

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

87914841978 is a wasteful number, since it uses less digits than its factorization.

87914841978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309989.

The product of its digits is 32514048, while the sum is 66.

The spelling of 87914841978 in words is "eighty-seven billion, nine hundred fourteen million, eight hundred forty-one thousand, nine hundred seventy-eight".