18277352352 has 192 divisors, whose sum is σ = 62571882240. Its totient is φ = 5080900608.

The previous prime is 18277352351. The next prime is 18277352363. The reversal of 18277352352 is 25325377281.

18277352352 is a `hidden beast` number, since 1 + 8 + 2 + 7 + 73 + 523 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18277352298 and 18277352307.

It is not an unprimeable number, because it can be changed into a prime (18277352351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182938 + ... + 264614.

It is an arithmetic number, because the mean of its divisors is an integer number (325895220).

Almost surely, 2^18277352352 is an apocalyptic number.

18277352352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18277352352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31285941120).

18277352352 is an abundant number, since it is smaller than the sum of its proper divisors (44294529888).

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

18277352352 is a wasteful number, since it uses less digits than its factorization.

18277352352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81740 (or 81726 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 18277352352 in words is "eighteen billion, two hundred seventy-seven million, three hundred fifty-two thousand, three hundred fifty-two".