78048047 has 16 divisors (see below), whose sum is σ = 98226432. Its totient is φ = 60241920.

The previous prime is 78048041. The next prime is 78048101. The reversal of 78048047 is 74084087.

It is a cyclic number.

It is not a de Polignac number, because 78048047 - 2⁸ = 78047791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78048047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78048041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3503 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (6139152).

Almost surely, 2^78048047 is an apocalyptic number.

78048047 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

78048047 is a deficient number, since it is larger than the sum of its proper divisors (20178385).

78048047 is a wasteful number, since it uses less digits than its factorization.

78048047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 78048047 is about 8834.4805732991. The cubic root of 78048047 is about 427.3535802614.

It can be divided in two parts, 7804 and 8047, that added together give a palindrome (15851).

The spelling of 78048047 in words is "seventy-eight million, forty-eight thousand, forty-seven".