47777480136 has 48 divisors (see below), whose sum is σ = 137008953900. Its totient is φ = 14989012992.

The previous prime is 47777480131. The next prime is 47777480143. The reversal of 47777480136 is 63108477774.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47695939236 + 81540900 = 218394^2 + 9030^2 .

It is not an unprimeable number, because it can be changed into a prime (47777480131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19515721 + ... + 19518168.

Almost surely, 2^47777480136 is an apocalyptic number.

It is an amenable number.

47777480136 is an abundant number, since it is smaller than the sum of its proper divisors (89231473764).

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

47777480136 is a wasteful number, since it uses less digits than its factorization.

47777480136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39033918 (or 39033911 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 47777480136 in words is "forty-seven billion, seven hundred seventy-seven million, four hundred eighty thousand, one hundred thirty-six".