8460773478 has 24 divisors (see below), whose sum is σ = 18339045816. Its totient is φ = 2819124000.

The previous prime is 8460773471. The next prime is 8460773501. The reversal of 8460773478 is 8743770648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460773471) 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, 47848 + ... + 138603.

It is an arithmetic number, because the mean of its divisors is an integer number (764126909).

Almost surely, 2^8460773478 is an apocalyptic number.

8460773478 is an abundant number, since it is smaller than the sum of its proper divisors (9878272338).

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

8460773478 is a wasteful number, since it uses less digits than its factorization.

8460773478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188980 (or 188977 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The square root of 8460773478 is about 91982.4628828778. The cubic root of 8460773478 is about 2037.6833144462.

The spelling of 8460773478 in words is "eight billion, four hundred sixty million, seven hundred seventy-three thousand, four hundred seventy-eight".