106783657438 has 16 divisors (see below), whose sum is σ = 171153520560. Its totient is φ = 49790111616.

The previous prime is 106783657427. The next prime is 106783657439. The reversal of 106783657438 is 834756387601.

It is a super-2 number, since 2×106783657438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106783657439) 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, 14403156 + ... + 14410567.

It is an arithmetic number, because the mean of its divisors is an integer number (10697095035).

Almost surely, 2^106783657438 is an apocalyptic number.

106783657438 is a deficient number, since it is larger than the sum of its proper divisors (64369863122).

106783657438 is a wasteful number, since it uses less digits than its factorization.

106783657438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28813851.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 106783657438 in words is "one hundred six billion, seven hundred eighty-three million, six hundred fifty-seven thousand, four hundred thirty-eight".