78956746141 has 16 divisors (see below), whose sum is σ = 100312296448. Its totient is φ = 60456067200.

The previous prime is 78956746117. The next prime is 78956746159. The reversal of 78956746141 is 14164765987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78956746141 is a prime.

It is a super-2 number, since 2×78956746141² (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 (78956746241) 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, 13991640 + ... + 13997281.

It is an arithmetic number, because the mean of its divisors is an integer number (6269518528).

Almost surely, 2^78956746141 is an apocalyptic number.

It is an amenable number.

78956746141 is a deficient number, since it is larger than the sum of its proper divisors (21355550307).

78956746141 is a wasteful number, since it uses less digits than its factorization.

78956746141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27988972.

The product of its digits is 10160640, while the sum is 58.

The spelling of 78956746141 in words is "seventy-eight billion, nine hundred fifty-six million, seven hundred forty-six thousand, one hundred forty-one".