65435478 has 16 divisors (see below), whose sum is σ = 130972080. Its totient is φ = 21794976.

The previous prime is 65435473. The next prime is 65435479. The reversal of 65435478 is 87453456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65435473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6168 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (8185755).

Almost surely, 2^65435478 is an apocalyptic number.

65435478 is an abundant number, since it is smaller than the sum of its proper divisors (65536602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65435478 is a wasteful number, since it uses less digits than its factorization.

65435478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431.

The product of its digits is 403200, while the sum is 42.

The square root of 65435478 is about 8089.2198634973. The cubic root of 65435478 is about 402.9684947673.

It can be divided in two parts, 6543 and 5478, that added together give a palindrome (12021).

The spelling of 65435478 in words is "sixty-five million, four hundred thirty-five thousand, four hundred seventy-eight".