147861697830 has 384 divisors, whose sum is σ = 459334126080. Its totient is φ = 30116136960.

The previous prime is 147861697813. The next prime is 147861697849. The reversal of 147861697830 is 38796168741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 270313617 + ... + 270314163.

It is an arithmetic number, because the mean of its divisors is an integer number (1196182620).

Almost surely, 2^147861697830 is an apocalyptic number.

147861697830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147861697830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229667063040).

147861697830 is an abundant number, since it is smaller than the sum of its proper divisors (311472428250).

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

147861697830 is a wasteful number, since it uses less digits than its factorization.

147861697830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 147861697830 in words is "one hundred forty-seven billion, eight hundred sixty-one million, six hundred ninety-seven thousand, eight hundred thirty".