547772971 has 4 divisors (see below), whose sum is σ = 552086272. Its totient is φ = 543459672.

The previous prime is 547772903. The next prime is 547772977. The reversal of 547772971 is 179277745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179277745 = 5 ⋅35855549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547772971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (547772977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156460 + ... + 2156713.

It is an arithmetic number, because the mean of its divisors is an integer number (138021568).

Almost surely, 2^547772971 is an apocalyptic number.

547772971 is a deficient number, since it is larger than the sum of its proper divisors (4313301).

547772971 is a wasteful number, since it uses less digits than its factorization.

547772971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313300.

The product of its digits is 864360, while the sum is 49.

The square root of 547772971 is about 23404.5502199893. The cubic root of 547772971 is about 818.2139248160.

The spelling of 547772971 in words is "five hundred forty-seven million, seven hundred seventy-two thousand, nine hundred seventy-one".