147868793 has 2 divisors, whose sum is σ = 147868794. Its totient is φ = 147868792.

The previous prime is 147868759. The next prime is 147868813. The reversal of 147868793 is 397868741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128754409 + 19114384 = 11347^2 + 4372^2 .

It is an emirp because it is prime and its reverse (397868741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147868793 - 2⁸ = 147868537 is a prime.

It is a super-3 number, since 3×147868793³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147868093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73934396 + 73934397.

It is an arithmetic number, because the mean of its divisors is an integer number (73934397).

Almost surely, 2^147868793 is an apocalyptic number.

It is an amenable number.

147868793 is a deficient number, since it is larger than the sum of its proper divisors (1).

147868793 is an equidigital number, since it uses as much as digits as its factorization.

147868793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 147868793 is about 12160.1312904097. The cubic root of 147868793 is about 528.8008882312.

The spelling of 147868793 in words is "one hundred forty-seven million, eight hundred sixty-eight thousand, seven hundred ninety-three".