78492485429 has 8 divisors (see below), whose sum is σ = 81030467328. Its totient is φ = 75954876480.

The previous prime is 78492485381. The next prime is 78492485453. The reversal of 78492485429 is 92458429487.

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 78492485429 - 2⁸ = 78492485173 is a prime.

It is a super-2 number, since 2×78492485429² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78492485329) 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, 371309 + ... + 543005.

It is an arithmetic number, because the mean of its divisors is an integer number (10128808416).

Almost surely, 2^78492485429 is an apocalyptic number.

It is an amenable number.

78492485429 is a deficient number, since it is larger than the sum of its proper divisors (2537981899).

78492485429 is a wasteful number, since it uses less digits than its factorization.

78492485429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186475.

The product of its digits is 46448640, while the sum is 62.

The spelling of 78492485429 in words is "seventy-eight billion, four hundred ninety-two million, four hundred eighty-five thousand, four hundred twenty-nine".