147988596987 has 48 divisors (see below), whose sum is σ = 271536115968. Its totient is φ = 75426661440.

The previous prime is 147988596949. The next prime is 147988597037. The reversal of 147988596987 is 789695889741.

147988596987 is a `hidden beast` number, since 1 + 479 + 8 + 8 + 5 + 9 + 69 + 87 = 666.

It is not a de Polignac number, because 147988596987 - 2⁶ = 147988596923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147988596487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1977873 + ... + 2051330.

It is an arithmetic number, because the mean of its divisors is an integer number (5657002416).

Almost surely, 2^147988596987 is an apocalyptic number.

147988596987 is a deficient number, since it is larger than the sum of its proper divisors (123547518981).

147988596987 is a wasteful number, since it uses less digits than its factorization.

147988596987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029280 (or 4029277 counting only the distinct ones).

The product of its digits is 2194698240, while the sum is 81.

The spelling of 147988596987 in words is "one hundred forty-seven billion, nine hundred eighty-eight million, five hundred ninety-six thousand, nine hundred eighty-seven".