89855146287 has 8 divisors (see below), whose sum is σ = 133118735280. Its totient is φ = 59903430840.

The previous prime is 89855146261. The next prime is 89855146291. The reversal of 89855146287 is 78264155898.

89855146287 is a `hidden beast` number, since 8 + 98 + 5 + 5 + 1 + 462 + 87 = 666.

It is not a de Polignac number, because 89855146287 - 2¹⁸ = 89854884143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89855146487) 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, 1663984164 + ... + 1663984217.

It is an arithmetic number, because the mean of its divisors is an integer number (16639841910).

Almost surely, 2^89855146287 is an apocalyptic number.

89855146287 is a deficient number, since it is larger than the sum of its proper divisors (43263588993).

89855146287 is a wasteful number, since it uses less digits than its factorization.

89855146287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327968390 (or 3327968384 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 89855146287 in words is "eighty-nine billion, eight hundred fifty-five million, one hundred forty-six thousand, two hundred eighty-seven".