872728141 has 2 divisors, whose sum is σ = 872728142. Its totient is φ = 872728140.

The previous prime is 872728063. The next prime is 872728183. The reversal of 872728141 is 141827278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836077225 + 36650916 = 28915^2 + 6054^2 .

It is a cyclic number.

It is not a de Polignac number, because 872728141 - 2⁷ = 872728013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 872728094 and 872728103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872728741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436364070 + 436364071.

It is an arithmetic number, because the mean of its divisors is an integer number (436364071).

Almost surely, 2^872728141 is an apocalyptic number.

It is an amenable number.

872728141 is a deficient number, since it is larger than the sum of its proper divisors (1).

872728141 is an equidigital number, since it uses as much as digits as its factorization.

872728141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 40.

The square root of 872728141 is about 29541.9725306216. The cubic root of 872728141 is about 955.6370815550.

The spelling of 872728141 in words is "eight hundred seventy-two million, seven hundred twenty-eight thousand, one hundred forty-one".