78141051079 has 16 divisors (see below), whose sum is σ = 97072432128. Its totient is φ = 61248066912.

The previous prime is 78141051049. The next prime is 78141051113. The reversal of 78141051079 is 97015014187.

It is a cyclic number.

It is not a de Polignac number, because 78141051079 - 2⁵ = 78141051047 is a prime.

It is a super-2 number, since 2×78141051079² (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 (78141051049) 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, 4002847 + ... + 4022320.

It is an arithmetic number, because the mean of its divisors is an integer number (6067027008).

Almost surely, 2^78141051079 is an apocalyptic number.

78141051079 is a deficient number, since it is larger than the sum of its proper divisors (18931381049).

78141051079 is a wasteful number, since it uses less digits than its factorization.

78141051079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025294.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 78141051079 in words is "seventy-eight billion, one hundred forty-one million, fifty-one thousand, seventy-nine".