87898289878 has 16 divisors (see below), whose sum is σ = 150830680320. Its totient is φ = 37633721256.

The previous prime is 87898289867. The next prime is 87898289879.

87898289878 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87898289878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87898289879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066426 + ... + 3094957.

It is an arithmetic number, because the mean of its divisors is an integer number (9426917520).

Almost surely, 2^87898289878 is an apocalyptic number.

87898289878 is a deficient number, since it is larger than the sum of its proper divisors (62932390442).

87898289878 is a wasteful number, since it uses less digits than its factorization.

87898289878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162411.

The product of its digits is 2080899072, while the sum is 82.

The spelling of 87898289878 in words is "eighty-seven billion, eight hundred ninety-eight million, two hundred eighty-nine thousand, eight hundred seventy-eight".