9382742478 has 24 divisors (see below), whose sum is σ = 20434615968. Its totient is φ = 3111374592.

The previous prime is 9382742477. The next prime is 9382742483. The reversal of 9382742478 is 8742472839.

It is a happy number.

9382742478 is a `hidden beast` number, since 93 + 82 + 7 + 4 + 2 + 478 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9382742477) 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, 1346950 + ... + 1353897.

It is an arithmetic number, because the mean of its divisors is an integer number (851442332).

Almost surely, 2^9382742478 is an apocalyptic number.

9382742478 is an abundant number, since it is smaller than the sum of its proper divisors (11051873490).

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

9382742478 is a wasteful number, since it uses less digits than its factorization.

9382742478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701048 (or 2701045 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 9382742478 is about 96864.5573881386. The cubic root of 9382742478 is about 2109.1619709857.

The spelling of 9382742478 in words is "nine billion, three hundred eighty-two million, seven hundred forty-two thousand, four hundred seventy-eight".