87568273920 has 80 divisors (see below), whose sum is σ = 279944850240. Its totient is φ = 23351537664.

The previous prime is 87568273909. The next prime is 87568273931. The reversal of 87568273920 is 2937286578.

It is an interprime number because it is at equal distance from previous prime (87568273909) and next prime (87568273931).

It is a tau number, because it is divible by the number of its divisors (80).

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, 5693380 + ... + 5708739.

It is an arithmetic number, because the mean of its divisors is an integer number (3499310628).

Almost surely, 2^87568273920 is an apocalyptic number.

87568273920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87568273920 is an abundant number, since it is smaller than the sum of its proper divisors (192376576320).

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

87568273920 is a wasteful number, since it uses less digits than its factorization.

87568273920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402145 (or 11402129 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 87568273920 in words is "eighty-seven billion, five hundred sixty-eight million, two hundred seventy-three thousand, nine hundred twenty".