872429057 has 2 divisors, whose sum is σ = 872429058. Its totient is φ = 872429056.

The previous prime is 872429039. The next prime is 872429081. The reversal of 872429057 is 750924278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680218561 + 192210496 = 26081^2 + 13864^2 .

It is a cyclic number.

It is not a de Polignac number, because 872429057 - 2¹⁶ = 872363521 is a prime.

It is a super-2 number, since 2×872429057² = 1522264918995818498, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 872428999 and 872429017.

It is not a weakly prime, because it can be changed into another prime (872429357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436214528 + 436214529.

It is an arithmetic number, because the mean of its divisors is an integer number (436214529).

Almost surely, 2^872429057 is an apocalyptic number.

It is an amenable number.

872429057 is a deficient number, since it is larger than the sum of its proper divisors (1).

872429057 is an equidigital number, since it uses as much as digits as its factorization.

872429057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 872429057 is about 29536.9100787472. The cubic root of 872429057 is about 955.5279034488.

The spelling of 872429057 in words is "eight hundred seventy-two million, four hundred twenty-nine thousand, fifty-seven".