7683378738 has 16 divisors (see below), whose sum is σ = 17562008640. Its totient is φ = 2195251056.

The previous prime is 7683378733. The next prime is 7683378739. The reversal of 7683378738 is 8378733867.

It is not an unprimeable number, because it can be changed into a prime (7683378733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91468753 + ... + 91468836.

It is an arithmetic number, because the mean of its divisors is an integer number (1097625540).

Almost surely, 2^7683378738 is an apocalyptic number.

7683378738 is an abundant number, since it is smaller than the sum of its proper divisors (9878629902).

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

7683378738 is a wasteful number, since it uses less digits than its factorization.

7683378738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182937601.

The product of its digits is 28449792, while the sum is 60.

The square root of 7683378738 is about 87654.8842792003. The cubic root of 7683378738 is about 1973.2589463668.

The spelling of 7683378738 in words is "seven billion, six hundred eighty-three million, three hundred seventy-eight thousand, seven hundred thirty-eight".