157847743205 has 16 divisors (see below), whose sum is σ = 200580306480. Its totient is φ = 118837727232.

The previous prime is 157847743139. The next prime is 157847743231. The reversal of 157847743205 is 502347748751.

It can be written as a sum of positive squares in 8 ways, for example, as 41036225476 + 116811517729 = 202574^2 + 341777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157847743205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773057 + ... + 955673.

It is an arithmetic number, because the mean of its divisors is an integer number (12536269155).

Almost surely, 2^157847743205 is an apocalyptic number.

It is an amenable number.

157847743205 is a deficient number, since it is larger than the sum of its proper divisors (42732563275).

157847743205 is a wasteful number, since it uses less digits than its factorization.

157847743205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192808.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 157847743205 in words is "one hundred fifty-seven billion, eight hundred forty-seven million, seven hundred forty-three thousand, two hundred five".