85405462 has 4 divisors (see below), whose sum is σ = 128108196. Its totient is φ = 42702730.

The previous prime is 85405421. The next prime is 85405477. The reversal of 85405462 is 26450458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26450458 = 2 ⋅13225229.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21351364 + ... + 21351367.

It is an arithmetic number, because the mean of its divisors is an integer number (32027049).

Almost surely, 2^85405462 is an apocalyptic number.

85405462 is a deficient number, since it is larger than the sum of its proper divisors (42702734).

85405462 is a wasteful number, since it uses less digits than its factorization.

85405462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702733.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 85405462 is about 9241.5075609989. The cubic root of 85405462 is about 440.3809751329.

The spelling of 85405462 in words is "eighty-five million, four hundred five thousand, four hundred sixty-two".