157728887300 has 72 divisors (see below), whose sum is σ = 351975430464. Its totient is φ = 61307245440.

The previous prime is 157728887279. The next prime is 157728887311. The reversal of 157728887300 is 3788827751.

It is a super-2 number, since 2×157728887300² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2884817 + ... + 2938983.

Almost surely, 2^157728887300 is an apocalyptic number.

157728887300 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 157728887300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175987715232).

157728887300 is an abundant number, since it is smaller than the sum of its proper divisors (194246543164).

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

157728887300 is a wasteful number, since it uses less digits than its factorization.

157728887300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005 (or 54998 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 157728887300 in words is "one hundred fifty-seven billion, seven hundred twenty-eight million, eight hundred eighty-seven thousand, three hundred".