85580451 has 12 divisors (see below), whose sum is σ = 134854200. Its totient is φ = 51866880.

The previous prime is 85580423. The next prime is 85580477. The reversal of 85580451 is 15408558.

It is not a de Polignac number, because 85580451 - 2⁹ = 85579939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85580051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432126 + ... + 432323.

It is an arithmetic number, because the mean of its divisors is an integer number (11237850).

Almost surely, 2^85580451 is an apocalyptic number.

85580451 is a deficient number, since it is larger than the sum of its proper divisors (49273749).

85580451 is a wasteful number, since it uses less digits than its factorization.

85580451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864466 (or 864463 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 85580451 is about 9250.9702734362. The cubic root of 85580451 is about 440.6815384821.

The spelling of 85580451 in words is "eighty-five million, five hundred eighty thousand, four hundred fifty-one".