47177577616 has 45 divisors (see below), whose sum is σ = 99002399211. Its totient is φ = 21769053696.

The previous prime is 47177577613. The next prime is 47177577641. The reversal of 47177577616 is 61677577174.

The square root of 47177577616 is 217204.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 625200016 + 46552377600 = 25004^2 + 215760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47177577611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11292520 + ... + 11296696.

Almost surely, 2^47177577616 is an apocalyptic number.

47177577616 is the 217204-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47177577616

47177577616 is an abundant number, since it is smaller than the sum of its proper divisors (51824821595).

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

47177577616 is an frugal number, since it uses more digits than its factorization.

47177577616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388 (or 4192 counting only the distinct ones).

The product of its digits is 12101040, while the sum is 58.

The spelling of 47177577616 in words is "forty-seven billion, one hundred seventy-seven million, five hundred seventy-seven thousand, six hundred sixteen".