78906060987 has 8 divisors (see below), whose sum is σ = 113301010704. Its totient is φ = 48557575968.

The previous prime is 78906060977. The next prime is 78906061019.

78906060987 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 78906060987 - 2⁸ = 78906060731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78906060987.

It is not an unprimeable number, because it can be changed into a prime (78906060977) 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, 1011616128 + ... + 1011616205.

It is an arithmetic number, because the mean of its divisors is an integer number (14162626338).

Almost surely, 2^78906060987 is an apocalyptic number.

78906060987 is a deficient number, since it is larger than the sum of its proper divisors (34394949717).

78906060987 is a wasteful number, since it uses less digits than its factorization.

78906060987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023232349.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 78906060987 in words is "seventy-eight billion, nine hundred six million, sixty thousand, nine hundred eighty-seven".