157869846009 has 12 divisors (see below), whose sum is σ = 233596032852. Its totient is φ = 102679574400.

The previous prime is 157869845977. The next prime is 157869846023. The reversal of 157869846009 is 900648968751.

157869846009 is a `hidden beast` number, since 1 + 5 + 7 + 86 + 98 + 460 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51819969600 + 106049876409 = 227640^2 + 325653^2 .

It is not a de Polignac number, because 157869846009 - 2⁵ = 157869845977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157869846059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213915412 + ... + 213916149.

It is an arithmetic number, because the mean of its divisors is an integer number (19466336071).

Almost surely, 2^157869846009 is an apocalyptic number.

It is an amenable number.

157869846009 is a deficient number, since it is larger than the sum of its proper divisors (75726186843).

157869846009 is a wasteful number, since it uses less digits than its factorization.

157869846009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427831608 (or 427831605 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 157869846009 in words is "one hundred fifty-seven billion, eight hundred sixty-nine million, eight hundred forty-six thousand, nine".