157850987 has 8 divisors (see below), whose sum is σ = 180588000. Its totient is φ = 135160704.

The previous prime is 157850969. The next prime is 157851007. The reversal of 157850987 is 789058751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157850987 - 2⁶ = 157850923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157850947) 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, 4112 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (22573500).

Almost surely, 2^157850987 is an apocalyptic number.

157850987 is a deficient number, since it is larger than the sum of its proper divisors (22737013).

157850987 is a wasteful number, since it uses less digits than its factorization.

157850987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23365.

The product of its (nonzero) digits is 705600, while the sum is 50.

The square root of 157850987 is about 12563.8762728706. The cubic root of 157850987 is about 540.4420100703.

The spelling of 157850987 in words is "one hundred fifty-seven million, eight hundred fifty thousand, nine hundred eighty-seven".