78183378762041 has 6 divisors (see below), whose sum is σ = 90948012029370. Its totient is φ = 67014324653136.

The previous prime is 78183378762019. The next prime is 78183378762067. The reversal of 78183378762041 is 14026787338187.

It can be written as a sum of positive squares in only one way, i.e., 61076022463225 + 17107356298816 = 7815115^2 + 4136104^2 .

It is not a de Polignac number, because 78183378762041 - 2²⁶ = 78183311653177 is a prime.

It is a super-2 number, since 2×78183378762041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78183378762341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797789579156 + ... + 797789579253.

It is an arithmetic number, because the mean of its divisors is an integer number (15158002004895).

Almost surely, 2^{78183378762041} is an apocalyptic number.

It is an amenable number.

78183378762041 is a deficient number, since it is larger than the sum of its proper divisors (12764633267329).

78183378762041 is a wasteful number, since it uses less digits than its factorization.

78183378762041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595579158423 (or 1595579158416 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 78183378762041 in words is "seventy-eight trillion, one hundred eighty-three billion, three hundred seventy-eight million, seven hundred sixty-two thousand, forty-one".