147697776 has 80 divisors (see below), whose sum is σ = 433861120. Its totient is φ = 48081600.

The previous prime is 147697757. The next prime is 147697787. The reversal of 147697776 is 677796741.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14601 + ... + 22551.

It is an arithmetic number, because the mean of its divisors is an integer number (5423264).

Almost surely, 2^147697776 is an apocalyptic number.

147697776 is a gapful number since it is divisible by the number (16) 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 147697776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216930560).

147697776 is an abundant number, since it is smaller than the sum of its proper divisors (286163344).

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

147697776 is a wasteful number, since it uses less digits than its factorization.

147697776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011 (or 7999 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 147697776 is about 12153.0973829720. The cubic root of 147697776 is about 528.5969488113.

The spelling of 147697776 in words is "one hundred forty-seven million, six hundred ninety-seven thousand, seven hundred seventy-six".