147712477 has 4 divisors (see below), whose sum is σ = 161140896. Its totient is φ = 134284060.

The previous prime is 147712429. The next prime is 147712511. The reversal of 147712477 is 774217741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774217741 = 11 ⋅70383431.

It is a cyclic number.

It is not a de Polignac number, because 147712477 - 2¹¹ = 147710429 is a prime.

It is a super-2 number, since 2×147712477² = 43637951722951058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147712777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6714193 + ... + 6714214.

It is an arithmetic number, because the mean of its divisors is an integer number (40285224).

Almost surely, 2^147712477 is an apocalyptic number.

It is an amenable number.

147712477 is a deficient number, since it is larger than the sum of its proper divisors (13428419).

147712477 is a wasteful number, since it uses less digits than its factorization.

147712477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428418.

The product of its digits is 76832, while the sum is 40.

The square root of 147712477 is about 12153.7021931591. The cubic root of 147712477 is about 528.6144860782.

The spelling of 147712477 in words is "one hundred forty-seven million, seven hundred twelve thousand, four hundred seventy-seven".