122895566783 has 4 divisors (see below), whose sum is σ = 134067891048. Its totient is φ = 111723242520.

The previous prime is 122895566777. The next prime is 122895566789. The reversal of 122895566783 is 387665598221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122895566777) and next prime (122895566789).

It is a cyclic number.

It is not a de Polignac number, because 122895566783 - 2¹² = 122895562687 is a prime.

It is a super-3 number, since 3×122895566783³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122895566789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586162116 + ... + 5586162137.

It is an arithmetic number, because the mean of its divisors is an integer number (33516972762).

Almost surely, 2^122895566783 is an apocalyptic number.

122895566783 is a deficient number, since it is larger than the sum of its proper divisors (11172324265).

122895566783 is a wasteful number, since it uses less digits than its factorization.

122895566783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172324264.

The product of its digits is 43545600, while the sum is 62.

The spelling of 122895566783 in words is "one hundred twenty-two billion, eight hundred ninety-five million, five hundred sixty-six thousand, seven hundred eighty-three".