654877947 has 8 divisors (see below), whose sum is σ = 879544656. Its totient is φ = 433398272.

The previous prime is 654877939. The next prime is 654877967. The reversal of 654877947 is 749778456.

654877947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654877947 - 2³ = 654877939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654877907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796278 + ... + 797099.

It is an arithmetic number, because the mean of its divisors is an integer number (109943082).

Almost surely, 2^654877947 is an apocalyptic number.

654877947 is a deficient number, since it is larger than the sum of its proper divisors (224666709).

654877947 is a wasteful number, since it uses less digits than its factorization.

654877947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593517.

The product of its digits is 11854080, while the sum is 57.

The square root of 654877947 is about 25590.5831703773. The cubic root of 654877947 is about 868.4006141806.

The spelling of 654877947 in words is "six hundred fifty-four million, eight hundred seventy-seven thousand, nine hundred forty-seven".