85702401 has 8 divisors (see below), whose sum is σ = 126966560. Its totient is φ = 57134916.

The previous prime is 85702381. The next prime is 85702403. The reversal of 85702401 is 10420758.

It is not a de Polignac number, because 85702401 - 2¹⁷ = 85571329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3174163 = 85702401 / (8 + 5 + 7 + 0 + 2 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85702403) 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 in 7 ways as a sum of consecutive naturals, for example, 1587055 + ... + 1587108.

It is an arithmetic number, because the mean of its divisors is an integer number (15870820).

Almost surely, 2^85702401 is an apocalyptic number.

It is an amenable number.

85702401 is a deficient number, since it is larger than the sum of its proper divisors (41264159).

85702401 is a wasteful number, since it uses less digits than its factorization.

85702401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174172 (or 3174166 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 85702401 is about 9257.5591275454. The cubic root of 85702401 is about 440.8907591885.

The spelling of 85702401 in words is "eighty-five million, seven hundred two thousand, four hundred one".