78413231487 has 8 divisors (see below), whose sum is σ = 104582661040. Its totient is φ = 52259644800.

The previous prime is 78413231431. The next prime is 78413231497.

78413231487 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 78413231487 - 2⁶ = 78413231423 is a prime.

It is a super-2 number, since 2×78413231487² (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 (78413231497) 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, 3949162 + ... + 3968967.

It is an arithmetic number, because the mean of its divisors is an integer number (13072832630).

Almost surely, 2^78413231487 is an apocalyptic number.

78413231487 is a deficient number, since it is larger than the sum of its proper divisors (26169429553).

78413231487 is a wasteful number, since it uses less digits than its factorization.

78413231487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921433.

The product of its digits is 903168, while the sum is 48.

The spelling of 78413231487 in words is "seventy-eight billion, four hundred thirteen million, two hundred thirty-one thousand, four hundred eighty-seven".