147047807 has 4 divisors (see below), whose sum is σ = 155697696. Its totient is φ = 138397920.

The previous prime is 147047801. The next prime is 147047833. The reversal of 147047807 is 708740741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147047807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147047801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324919 + ... + 4324952.

It is an arithmetic number, because the mean of its divisors is an integer number (38924424).

Almost surely, 2^147047807 is an apocalyptic number.

147047807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

147047807 is a deficient number, since it is larger than the sum of its proper divisors (8649889).

147047807 is an equidigital number, since it uses as much as digits as its factorization.

147047807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649888.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 147047807 is about 12126.3270201657. The cubic root of 147047807 is about 527.8204152327.

The spelling of 147047807 in words is "one hundred forty-seven million, forty-seven thousand, eight hundred seven".