87198552268 has 24 divisors (see below), whose sum is σ = 163787136912. Its totient is φ = 40472492544.

The previous prime is 87198552263. The next prime is 87198552281. The reversal of 87198552268 is 86225589178.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87198552263) 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, 8778130 + ... + 8788057.

It is an arithmetic number, because the mean of its divisors is an integer number (6824464038).

Almost surely, 2^87198552268 is an apocalyptic number.

It is an amenable number.

87198552268 is a deficient number, since it is larger than the sum of its proper divisors (76588584644).

87198552268 is a wasteful number, since it uses less digits than its factorization.

87198552268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566281 (or 17566279 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 61.

The spelling of 87198552268 in words is "eighty-seven billion, one hundred ninety-eight million, five hundred fifty-two thousand, two hundred sixty-eight".