78829125031 has 8 divisors (see below), whose sum is σ = 81375387264. Its totient is φ = 76283074560.

The previous prime is 78829125017. The next prime is 78829125059. The reversal of 78829125031 is 13052192887.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78829125031 - 2⁵ = 78829124999 is a prime.

It is a super-2 number, since 2×78829125031² (a number of 23 digits) contains 22 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 (78829125131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108071 + ... + 1177063.

It is an arithmetic number, because the mean of its divisors is an integer number (10171923408).

Almost surely, 2^78829125031 is an apocalyptic number.

78829125031 is a deficient number, since it is larger than the sum of its proper divisors (2546262233).

78829125031 is a wasteful number, since it uses less digits than its factorization.

78829125031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105881.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 78829125031 in words is "seventy-eight billion, eight hundred twenty-nine million, one hundred twenty-five thousand, thirty-one".