147408977 has 2 divisors, whose sum is σ = 147408978. Its totient is φ = 147408976.

The previous prime is 147408959. The next prime is 147408983. The reversal of 147408977 is 779804741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89283601 + 58125376 = 9449^2 + 7624^2 .

It is a cyclic number.

It is not a de Polignac number, because 147408977 - 2¹⁴ = 147392593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147408907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73704488 + 73704489.

It is an arithmetic number, because the mean of its divisors is an integer number (73704489).

Almost surely, 2^147408977 is an apocalyptic number.

It is an amenable number.

147408977 is a deficient number, since it is larger than the sum of its proper divisors (1).

147408977 is an equidigital number, since it uses as much as digits as its factorization.

147408977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 147408977 is about 12141.2098655776. The cubic root of 147408977 is about 528.2521955319.

The spelling of 147408977 in words is "one hundred forty-seven million, four hundred eight thousand, nine hundred seventy-seven".