85787150157 has 6 divisors (see below), whose sum is σ = 123914772462. Its totient is φ = 57191433432.

The previous prime is 85787150143. The next prime is 85787150177. The reversal of 85787150157 is 75105178758.

85787150157 is a `hidden beast` number, since 8 + 5 + 7 + 87 + 1 + 501 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78416240841 + 7370909316 = 280029^2 + 85854^2 .

It is not a de Polignac number, because 85787150157 - 2¹⁸ = 85786888013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85787150177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4765952778 + ... + 4765952795.

It is an arithmetic number, because the mean of its divisors is an integer number (20652462077).

Almost surely, 2^85787150157 is an apocalyptic number.

It is an amenable number.

85787150157 is a deficient number, since it is larger than the sum of its proper divisors (38127622305).

85787150157 is a wasteful number, since it uses less digits than its factorization.

85787150157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531905579 (or 9531905576 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 54.

The spelling of 85787150157 in words is "eighty-five billion, seven hundred eighty-seven million, one hundred fifty thousand, one hundred fifty-seven".