850121877 has 16 divisors (see below), whose sum is σ = 1237032000. Its totient is φ = 515020800.

The previous prime is 850121843. The next prime is 850121887. The reversal of 850121877 is 778121058.

It is not a de Polignac number, because 850121877 - 2⁸ = 850121621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850121887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144999 + ... + 150747.

It is an arithmetic number, because the mean of its divisors is an integer number (77314500).

Almost surely, 2^850121877 is an apocalyptic number.

It is an amenable number.

850121877 is a deficient number, since it is larger than the sum of its proper divisors (386910123).

850121877 is a wasteful number, since it uses less digits than its factorization.

850121877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 850121877 is about 29156.8495726133. The cubic root of 850121877 is about 947.3135096147.

The spelling of 850121877 in words is "eight hundred fifty million, one hundred twenty-one thousand, eight hundred seventy-seven".