162820234877 has 4 divisors (see below), whose sum is σ = 163395571680. Its totient is φ = 162244898076.

The previous prime is 162820234873. The next prime is 162820234897. The reversal of 162820234877 is 778432028261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778432028261 = 92627 ⋅8403943.

It is a cyclic number.

It is not a de Polignac number, because 162820234877 - 2² = 162820234873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162820234873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287667977 + ... + 287668542.

It is an arithmetic number, because the mean of its divisors is an integer number (40848892920).

Almost surely, 2^162820234877 is an apocalyptic number.

It is an amenable number.

162820234877 is a deficient number, since it is larger than the sum of its proper divisors (575336803).

162820234877 is an equidigital number, since it uses as much as digits as its factorization.

162820234877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575336802.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 162820234877 in words is "one hundred sixty-two billion, eight hundred twenty million, two hundred thirty-four thousand, eight hundred seventy-seven".