147998087 has 6 divisors (see below), whose sum is σ = 156197808. Its totient is φ = 140208372.

The previous prime is 147998063. The next prime is 147998093. The reversal of 147998087 is 780899741.

It is not a de Polignac number, because 147998087 - 2¹⁸ = 147735943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147991087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204623 + ... + 205344.

It is an arithmetic number, because the mean of its divisors is an integer number (26032968).

Almost surely, 2^147998087 is an apocalyptic number.

147998087 is a deficient number, since it is larger than the sum of its proper divisors (8199721).

147998087 is an equidigital number, since it uses as much as digits as its factorization.

147998087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410005 (or 409986 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 147998087 is about 12165.4464365267. The cubic root of 147998087 is about 528.9549682163.

The spelling of 147998087 in words is "one hundred forty-seven million, nine hundred ninety-eight thousand, eighty-seven".