89878687898 has 4 divisors (see below), whose sum is σ = 134818031850. Its totient is φ = 44939343948.

The previous prime is 89878687817. The next prime is 89878687901.

It is a happy number.

89878687898 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45670681849 + 44208006049 = 213707^2 + 210257^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22469671973 + ... + 22469671976.

Almost surely, 2^89878687898 is an apocalyptic number.

89878687898 is a deficient number, since it is larger than the sum of its proper divisors (44939343952).

89878687898 is a wasteful number, since it uses less digits than its factorization.

89878687898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44939343951.

The product of its digits is 6242697216, while the sum is 86.

The spelling of 89878687898 in words is "eighty-nine billion, eight hundred seventy-eight million, six hundred eighty-seven thousand, eight hundred ninety-eight".