29783590068 has 48 divisors (see below), whose sum is σ = 73179025920. Its totient is φ = 9401956704.

The previous prime is 29783590061. The next prime is 29783590069. The reversal of 29783590068 is 86009538792.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29783590061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653521 + ... + 697607.

It is an arithmetic number, because the mean of its divisors is an integer number (1524563040).

Almost surely, 2^29783590068 is an apocalyptic number.

It is an amenable number.

29783590068 is an abundant number, since it is smaller than the sum of its proper divisors (43395435852).

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

29783590068 is a wasteful number, since it uses less digits than its factorization.

29783590068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47076 (or 47074 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 29783590068 in words is "twenty-nine billion, seven hundred eighty-three million, five hundred ninety thousand, sixty-eight".