30861836676 has 384 divisors, whose sum is σ = 92649553920. Its totient is φ = 8801654400.

The previous prime is 30861836671. The next prime is 30861836711. The reversal of 30861836676 is 67663816803.

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

It is not an unprimeable number, because it can be changed into a prime (30861836671) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 243006525 + ... + 243006651.

It is an arithmetic number, because the mean of its divisors is an integer number (241274880).

Almost surely, 2^30861836676 is an apocalyptic number.

30861836676 is a gapful number since it is divisible by the number (36) 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 30861836676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46324776960).

30861836676 is an abundant number, since it is smaller than the sum of its proper divisors (61787717244).

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

30861836676 is a wasteful number, since it uses less digits than its factorization.

30861836676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 30861836676 in words is "thirty billion, eight hundred sixty-one million, eight hundred thirty-six thousand, six hundred seventy-six".