87494767340868 has 72 divisors (see below), whose sum is σ = 221503574213376. Its totient is φ = 29120585356800.

The previous prime is 87494767340861. The next prime is 87494767340899. The reversal of 87494767340868 is 86804376749478.

87494767340868 is a `hidden beast` number, since 8 + 7 + 4 + 94 + 7 + 67 + 3 + 408 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (87494767340861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125860533 + ... + 1125938243.

Almost surely, 2^{87494767340868} is an apocalyptic number.

It is an amenable number.

87494767340868 is an abundant number, since it is smaller than the sum of its proper divisors (134008806872508).

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

87494767340868 is a wasteful number, since it uses less digits than its factorization.

87494767340868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124865 (or 124860 counting only the distinct ones).

The product of its (nonzero) digits is 10924720128, while the sum is 81.

The spelling of 87494767340868 in words is "eighty-seven trillion, four hundred ninety-four billion, seven hundred sixty-seven million, three hundred forty thousand, eight hundred sixty-eight".