29023778860 has 12 divisors (see below), whose sum is σ = 60949935648. Its totient is φ = 11609511536.

The previous prime is 29023778837. The next prime is 29023778873. The reversal of 29023778860 is 6887732092.

It is a junction number, because it is equal to n+sod(n) for n = 29023778798 and 29023778807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725594452 + ... + 725594491.

It is an arithmetic number, because the mean of its divisors is an integer number (5079161304).

Almost surely, 2^29023778860 is an apocalyptic number.

29023778860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29023778860 is an abundant number, since it is smaller than the sum of its proper divisors (31926156788).

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

29023778860 is a wasteful number, since it uses less digits than its factorization.

29023778860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451188952 (or 1451188950 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 29023778860 in words is "twenty-nine billion, twenty-three million, seven hundred seventy-eight thousand, eight hundred sixty".