47977468 has 108 divisors (see below), whose sum is σ = 114326800. Its totient is φ = 17592960.

The previous prime is 47977463. The next prime is 47977477. The reversal of 47977468 is 86477974.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47977463) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2822196 + ... + 2822212.

Almost surely, 2^47977468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47977468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57163400).

47977468 is an abundant number, since it is smaller than the sum of its proper divisors (66349332).

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

47977468 is a wasteful number, since it uses less digits than its factorization.

47977468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 37 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The square root of 47977468 is about 6926.5769323671. The cubic root of 47977468 is about 363.3672438868.

The spelling of 47977468 in words is "forty-seven million, nine hundred seventy-seven thousand, four hundred sixty-eight".