157881276 has 72 divisors (see below), whose sum is σ = 464746464. Its totient is φ = 44254080.

The previous prime is 157881271. The next prime is 157881277. The reversal of 157881276 is 672188751.

It is a happy number.

157881276 is a `hidden beast` number, since 1 + 578 + 8 + 1 + 2 + 76 = 666.

157881276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157881276² = 49852994622776352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157881271) 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, 7446 + ... + 19266.

It is an arithmetic number, because the mean of its divisors is an integer number (6454812).

Almost surely, 2^157881276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157881276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232373232).

157881276 is an abundant number, since it is smaller than the sum of its proper divisors (306865188).

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

157881276 is a wasteful number, since it uses less digits than its factorization.

157881276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891 (or 11886 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 157881276 is about 12565.0816153338. The cubic root of 157881276 is about 540.4765751613.

The spelling of 157881276 in words is "one hundred fifty-seven million, eight hundred eighty-one thousand, two hundred seventy-six".