47818856 has 8 divisors (see below), whose sum is σ = 89660370. Its totient is φ = 23909424.

The previous prime is 47818847. The next prime is 47818861. The reversal of 47818856 is 65881874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 70756 = 6910^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 47818856.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2988671 + ... + 2988686.

Almost surely, 2^47818856 is an apocalyptic number.

It is an amenable number.

47818856 is a deficient number, since it is larger than the sum of its proper divisors (41841514).

47818856 is a wasteful number, since it uses less digits than its factorization.

47818856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977363 (or 5977359 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The square root of 47818856 is about 6915.1179310262. The cubic root of 47818856 is about 362.9663749156.

The spelling of 47818856 in words is "forty-seven million, eight hundred eighteen thousand, eight hundred fifty-six".