85265377 has 2 divisors, whose sum is σ = 85265378. Its totient is φ = 85265376.

The previous prime is 85265351. The next prime is 85265413. The reversal of 85265377 is 77356258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 4822416 = 8969^2 + 2196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85265377 is a prime.

It is not a weakly prime, because it can be changed into another prime (85265317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42632688 + 42632689.

It is an arithmetic number, because the mean of its divisors is an integer number (42632689).

Almost surely, 2^85265377 is an apocalyptic number.

It is an amenable number.

85265377 is a deficient number, since it is larger than the sum of its proper divisors (1).

85265377 is an equidigital number, since it uses as much as digits as its factorization.

85265377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 85265377 is about 9233.9253299992. The cubic root of 85265377 is about 440.1400673216.

The spelling of 85265377 in words is "eighty-five million, two hundred sixty-five thousand, three hundred seventy-seven".