147977427 has 16 divisors (see below), whose sum is σ = 213022880. Its totient is φ = 90830592.

The previous prime is 147977411. The next prime is 147977429. The reversal of 147977427 is 724779741.

It is not a de Polignac number, because 147977427 - 2⁴ = 147977411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147977429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11313 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (13313930).

Almost surely, 2^147977427 is an apocalyptic number.

147977427 is a deficient number, since it is larger than the sum of its proper divisors (65045453).

147977427 is a wasteful number, since it uses less digits than its factorization.

147977427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702.

The product of its digits is 691488, while the sum is 48.

The square root of 147977427 is about 12164.5972806337. The cubic root of 147977427 is about 528.9303536680.

The spelling of 147977427 in words is "one hundred forty-seven million, nine hundred seventy-seven thousand, four hundred twenty-seven".