4977278118 has 56 divisors (see below), whose sum is σ = 11296810800. Its totient is φ = 1643819184.

The previous prime is 4977278113. The next prime is 4977278123. The reversal of 4977278118 is 8118727794.

4977278118 is a `hidden beast` number, since 497 + 72 + 7 + 81 + 1 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (4977278113) and next prime (4977278123).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4977278113) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 143263 + ... + 174581.

Almost surely, 2^4977278118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4977278118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5648405400).

4977278118 is an abundant number, since it is smaller than the sum of its proper divisors (6319532682).

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

4977278118 is a wasteful number, since it uses less digits than its factorization.

4977278118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31448 (or 31433 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 54.

The square root of 4977278118 is about 70549.8272003554. The cubic root of 4977278118 is about 1707.3817549258.

The spelling of 4977278118 in words is "four billion, nine hundred seventy-seven million, two hundred seventy-eight thousand, one hundred eighteen".