647763054 has 16 divisors (see below), whose sum is σ = 1296570240. Its totient is φ = 215747000.

The previous prime is 647763049. The next prime is 647763079. The reversal of 647763054 is 450367746.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 647762997 and 647763015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35322 + ... + 50429.

It is an arithmetic number, because the mean of its divisors is an integer number (81035640).

Almost surely, 2^647763054 is an apocalyptic number.

647763054 is an abundant number, since it is smaller than the sum of its proper divisors (648807186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647763054 is a wasteful number, since it uses less digits than its factorization.

647763054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87015.

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 647763054 is about 25451.1896382075. The cubic root of 647763054 is about 865.2442554783.

The spelling of 647763054 in words is "six hundred forty-seven million, seven hundred sixty-three thousand, fifty-four".