9090746378 has 16 divisors (see below), whose sum is σ = 15644781504. Its totient is φ = 3880872960.

The previous prime is 9090746347. The next prime is 9090746453. The reversal of 9090746378 is 8736470909.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259708 + ... + 1266903.

It is an arithmetic number, because the mean of its divisors is an integer number (977798844).

Almost surely, 2^9090746378 is an apocalyptic number.

9090746378 is a deficient number, since it is larger than the sum of its proper divisors (6554035126).

9090746378 is a wasteful number, since it uses less digits than its factorization.

9090746378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526877.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9090746378 is about 95345.4056470473. The cubic root of 9090746378 is about 2087.0515706328.

The spelling of 9090746378 in words is "nine billion, ninety million, seven hundred forty-six thousand, three hundred seventy-eight".