147861117 has 12 divisors (see below), whose sum is σ = 213933564. Its totient is φ = 98409600.

The previous prime is 147861113. The next prime is 147861127. The reversal of 147861117 is 711168741.

147861117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 132227001 = 3954^2 + 11499^2 .

It is not a de Polignac number, because 147861117 - 2² = 147861113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147861113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7884 + ... + 18917.

It is an arithmetic number, because the mean of its divisors is an integer number (17827797).

Almost surely, 2^147861117 is an apocalyptic number.

It is an amenable number.

147861117 is a deficient number, since it is larger than the sum of its proper divisors (66072447).

147861117 is a wasteful number, since it uses less digits than its factorization.

147861117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420 (or 27417 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 147861117 is about 12159.8156647212. The cubic root of 147861117 is about 528.7917378987.

The spelling of 147861117 in words is "one hundred forty-seven million, eight hundred sixty-one thousand, one hundred seventeen".