78710233281 has 16 divisors (see below), whose sum is σ = 106121560320. Its totient is φ = 51888354560.

The previous prime is 78710233253. The next prime is 78710233307. The reversal of 78710233281 is 18233201787.

It is a cyclic number.

It is not a de Polignac number, because 78710233281 - 2⁷ = 78710233153 is a prime.

It is a super-2 number, since 2×78710233281² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78710233241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123246 + ... + 415463.

It is an arithmetic number, because the mean of its divisors is an integer number (6632597520).

Almost surely, 2^78710233281 is an apocalyptic number.

It is an amenable number.

78710233281 is a deficient number, since it is larger than the sum of its proper divisors (27411327039).

78710233281 is a wasteful number, since it uses less digits than its factorization.

78710233281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539256.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 78710233281 in words is "seventy-eight billion, seven hundred ten million, two hundred thirty-three thousand, two hundred eighty-one".