157820884068 has 24 divisors (see below), whose sum is σ = 369578155072. Its totient is φ = 52417043424.

The previous prime is 157820884057. The next prime is 157820884069. The reversal of 157820884068 is 860488028751.

It is a junction number, because it is equal to n+sod(n) for n = 157820883999 and 157820884017.

It is not an unprimeable number, because it can be changed into a prime (157820884069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23736280 + ... + 23742927.

Almost surely, 2^157820884068 is an apocalyptic number.

It is an amenable number.

157820884068 is an abundant number, since it is smaller than the sum of its proper divisors (211757271004).

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

157820884068 is a wasteful number, since it uses less digits than its factorization.

157820884068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47479491 (or 47479489 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 57.

The spelling of 157820884068 in words is "one hundred fifty-seven billion, eight hundred twenty million, eight hundred eighty-four thousand, sixty-eight".