147858397920 has 480 divisors, whose sum is σ = 541022727168. Its totient is φ = 38003530752.

The previous prime is 147858397877. The next prime is 147858397969. The reversal of 147858397920 is 29793858741.

147858397920 is a `hidden beast` number, since 1 + 47 + 8 + 583 + 9 + 7 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40809229 + ... + 40812851.

Almost surely, 2^147858397920 is an apocalyptic number.

147858397920 is a gapful number since it is divisible by the number (10) 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 147858397920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270511363584).

147858397920 is an abundant number, since it is smaller than the sum of its proper divisors (393164329248).

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

147858397920 is a wasteful number, since it uses less digits than its factorization.

147858397920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3747 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 147858397920 in words is "one hundred forty-seven billion, eight hundred fifty-eight million, three hundred ninety-seven thousand, nine hundred twenty".