78175410477023 has 4 divisors (see below), whose sum is σ = 79164972635040. Its totient is φ = 77185848319008.

The previous prime is 78175410477011. The next prime is 78175410477049. The reversal of 78175410477023 is 32077401457187.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78175410477023 - 2²² = 78175406282719 is a prime.

It is a super-2 number, since 2×78175410477023² (a number of 29 digits) contains 22 as substring.

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 78175410477023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78175410407023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494781078890 + ... + 494781079047.

It is an arithmetic number, because the mean of its divisors is an integer number (19791243158760).

Almost surely, 2^{78175410477023} is an apocalyptic number.

78175410477023 is a deficient number, since it is larger than the sum of its proper divisors (989562158017).

78175410477023 is an equidigital number, since it uses as much as digits as its factorization.

78175410477023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989562158016.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 78175410477023 in words is "seventy-eight trillion, one hundred seventy-five billion, four hundred ten million, four hundred seventy-seven thousand, twenty-three".