29228506718765 has 32 divisors (see below), whose sum is σ = 35921913053184. Its totient is φ = 22824964572480.

The previous prime is 29228506718759. The next prime is 29228506718771. The reversal of 29228506718765 is 56781760582292.

It is an interprime number because it is at equal distance from previous prime (29228506718759) and next prime (29228506718771).

It is a de Polignac number, because none of the positive numbers 2^k-29228506718765 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29228506718695 and 29228506718704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21290792 + ... + 22621998.

It is an arithmetic number, because the mean of its divisors is an integer number (1122559782912).

Almost surely, 2^{29228506718765} is an apocalyptic number.

It is an amenable number.

29228506718765 is a deficient number, since it is larger than the sum of its proper divisors (6693406334419).

29228506718765 is a wasteful number, since it uses less digits than its factorization.

29228506718765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331897.

The product of its (nonzero) digits is 203212800, while the sum is 68.

The spelling of 29228506718765 in words is "twenty-nine trillion, two hundred twenty-eight billion, five hundred six million, seven hundred eighteen thousand, seven hundred sixty-five".