852531077 has 2 divisors, whose sum is σ = 852531078. Its totient is φ = 852531076.

The previous prime is 852531037. The next prime is 852531131. The reversal of 852531077 is 770135258.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576672196 + 275858881 = 24014^2 + 16609^2 .

It is a cyclic number.

It is not a de Polignac number, because 852531077 - 2⁶ = 852531013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 852531077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852531037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426265538 + 426265539.

It is an arithmetic number, because the mean of its divisors is an integer number (426265539).

Almost surely, 2^852531077 is an apocalyptic number.

It is an amenable number.

852531077 is a deficient number, since it is larger than the sum of its proper divisors (1).

852531077 is an equidigital number, since it uses as much as digits as its factorization.

852531077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 852531077 is about 29198.1348205669. The cubic root of 852531077 is about 948.2075442292.

The spelling of 852531077 in words is "eight hundred fifty-two million, five hundred thirty-one thousand, seventy-seven".