862248478 has 24 divisors (see below), whose sum is σ = 1600594128. Its totient is φ = 341108352.

The previous prime is 862248473. The next prime is 862248487. The reversal of 862248478 is 874842268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862248473) 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 11 ways as a sum of consecutive naturals, for example, 179851 + ... + 184582.

It is an arithmetic number, because the mean of its divisors is an integer number (66691422).

Almost surely, 2^862248478 is an apocalyptic number.

862248478 is a deficient number, since it is larger than the sum of its proper divisors (738345650).

862248478 is a wasteful number, since it uses less digits than its factorization.

862248478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364468 (or 364455 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 49.

The square root of 862248478 is about 29364.0678040356. The cubic root of 862248478 is about 951.7965921082.

The spelling of 862248478 in words is "eight hundred sixty-two million, two hundred forty-eight thousand, four hundred seventy-eight".