157771270008 has 96 divisors (see below), whose sum is σ = 466589214000. Its totient is φ = 47763648000.

The previous prime is 157771270003. The next prime is 157771270021. The reversal of 157771270008 is 800072177751.

It is a happy number.

157771270008 is a `hidden beast` number, since 1 + 577 + 7 + 1 + 2 + 70 + 0 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157771270003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735858 + ... + 925758.

Almost surely, 2^157771270008 is an apocalyptic number.

157771270008 is a gapful number since it is divisible by the number (18) 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 157771270008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233294607000).

157771270008 is an abundant number, since it is smaller than the sum of its proper divisors (308817943992).

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

157771270008 is a wasteful number, since it uses less digits than its factorization.

157771270008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190973 (or 190966 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 45.

The spelling of 157771270008 in words is "one hundred fifty-seven billion, seven hundred seventy-one million, two hundred seventy thousand, eight".