85763421 has 8 divisors (see below), whose sum is σ = 127056960. Its totient is φ = 57175596.

The previous prime is 85763407. The next prime is 85763429. The reversal of 85763421 is 12436758.

It is not a de Polignac number, because 85763421 - 2¹⁴ = 85747037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85763429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588185 + ... + 1588238.

It is an arithmetic number, because the mean of its divisors is an integer number (15882120).

Almost surely, 2^85763421 is an apocalyptic number.

It is an amenable number.

85763421 is a deficient number, since it is larger than the sum of its proper divisors (41293539).

85763421 is a wasteful number, since it uses less digits than its factorization.

85763421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176432 (or 3176426 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 85763421 is about 9260.8542262580. The cubic root of 85763421 is about 440.9953722500.

The spelling of 85763421 in words is "eighty-five million, seven hundred sixty-three thousand, four hundred twenty-one".