647463355 has 16 divisors (see below), whose sum is σ = 968673024. Its totient is φ = 403613280.

The previous prime is 647463337. The next prime is 647463371. The reversal of 647463355 is 553364746.

It is not a de Polignac number, because 647463355 - 2¹³ = 647455163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840477 + ... + 841246.

It is an arithmetic number, because the mean of its divisors is an integer number (60542064).

Almost surely, 2^647463355 is an apocalyptic number.

647463355 is a deficient number, since it is larger than the sum of its proper divisors (321209669).

647463355 is a wasteful number, since it uses less digits than its factorization.

647463355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681746.

The product of its digits is 907200, while the sum is 43.

The square root of 647463355 is about 25445.3012361811. The cubic root of 647463355 is about 865.1107947225.

The spelling of 647463355 in words is "six hundred forty-seven million, four hundred sixty-three thousand, three hundred fifty-five".