78528838576105 has 8 divisors (see below), whose sum is σ = 94234656449664. Its totient is φ = 62823037422000.

The previous prime is 78528838576103. The next prime is 78528838576117. The reversal of 78528838576105 is 50167583882587.

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

It is not a de Polignac number, because 78528838576105 - 2¹ = 78528838576103 is a prime.

It is a super-2 number, since 2×78528838576105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78528838576103) 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, 11501470 + ... + 17010040.

It is an arithmetic number, because the mean of its divisors is an integer number (11779332056208).

Almost surely, 2^{78528838576105} is an apocalyptic number.

It is an amenable number.

78528838576105 is a deficient number, since it is larger than the sum of its proper divisors (15705817873559).

78528838576105 is a wasteful number, since it uses less digits than its factorization.

78528838576105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359727.

The product of its (nonzero) digits is 903168000, while the sum is 73.

The spelling of 78528838576105 in words is "seventy-eight trillion, five hundred twenty-eight billion, eight hundred thirty-eight million, five hundred seventy-six thousand, one hundred five".