85672403 has 2 divisors, whose sum is σ = 85672404. Its totient is φ = 85672402.

The previous prime is 85672397. The next prime is 85672421. The reversal of 85672403 is 30427658.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85672403 - 2¹⁴ = 85656019 is a prime.

It is a super-3 number, since 3×85672403³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85672453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42836201 + 42836202.

It is an arithmetic number, because the mean of its divisors is an integer number (42836202).

Almost surely, 2^85672403 is an apocalyptic number.

85672403 is a deficient number, since it is larger than the sum of its proper divisors (1).

85672403 is an equidigital number, since it uses as much as digits as its factorization.

85672403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 85672403 is about 9255.9387962540. The cubic root of 85672403 is about 440.8393122268.

The spelling of 85672403 in words is "eighty-five million, six hundred seventy-two thousand, four hundred three".