147977473280 has 576 divisors, whose sum is σ = 455716896768. Its totient is φ = 44780912640.

The previous prime is 147977473151. The next prime is 147977473283. The reversal of 147977473280 is 82374779741.

It is a super-2 number, since 2×147977473280² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147977473283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386363969 + ... + 386364351.

It is an arithmetic number, because the mean of its divisors is an integer number (791175168).

Almost surely, 2^147977473280 is an apocalyptic number.

147977473280 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 147977473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227858448384).

147977473280 is an abundant number, since it is smaller than the sum of its proper divisors (307739423488).

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

147977473280 is a wasteful number, since it uses less digits than its factorization.

147977473280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 59.

The spelling of 147977473280 in words is "one hundred forty-seven billion, nine hundred seventy-seven million, four hundred seventy-three thousand, two hundred eighty".