162878743 has 4 divisors (see below), whose sum is σ = 168132928. Its totient is φ = 157624560.

The previous prime is 162878731. The next prime is 162878747. The reversal of 162878743 is 347878261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162878743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162878693 and 162878702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162878747) 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, 2627046 + ... + 2627107.

It is an arithmetic number, because the mean of its divisors is an integer number (42033232).

Almost surely, 2^162878743 is an apocalyptic number.

162878743 is a deficient number, since it is larger than the sum of its proper divisors (5254185).

162878743 is an equidigital number, since it uses as much as digits as its factorization.

162878743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254184.

The product of its digits is 451584, while the sum is 46.

The square root of 162878743 is about 12762.3956606900. The cubic root of 162878743 is about 546.1200689038.

The spelling of 162878743 in words is "one hundred sixty-two million, eight hundred seventy-eight thousand, seven hundred forty-three".