85457002357 has 2 divisors, whose sum is σ = 85457002358. Its totient is φ = 85457002356.

The previous prime is 85457002339. The next prime is 85457002399. The reversal of 85457002357 is 75320075458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85007816721 + 449185636 = 291561^2 + 21194^2 .

It is a cyclic number.

It is not a de Polignac number, because 85457002357 - 2²³ = 85448613749 is a prime.

It is a super-3 number, since 3×85457002357³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85457002457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42728501178 + 42728501179.

It is an arithmetic number, because the mean of its divisors is an integer number (42728501179).

Almost surely, 2^85457002357 is an apocalyptic number.

It is an amenable number.

85457002357 is a deficient number, since it is larger than the sum of its proper divisors (1).

85457002357 is an equidigital number, since it uses as much as digits as its factorization.

85457002357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 85457002357 in words is "eighty-five billion, four hundred fifty-seven million, two thousand, three hundred fifty-seven".