5165823478 has 8 divisors (see below), whose sum is σ = 7823965968. Its totient is φ = 2557834824.

The previous prime is 5165823457. The next prime is 5165823479. The reversal of 5165823478 is 8743285615.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165823479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12538201 + ... + 12538612.

It is an arithmetic number, because the mean of its divisors is an integer number (977995746).

Almost surely, 2^5165823478 is an apocalyptic number.

5165823478 is a deficient number, since it is larger than the sum of its proper divisors (2658142490).

5165823478 is a wasteful number, since it uses less digits than its factorization.

5165823478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25076918.

The product of its digits is 1612800, while the sum is 49.

The square root of 5165823478 is about 71873.6633127879. The cubic root of 5165823478 is about 1728.6743470272.

The spelling of 5165823478 in words is "five billion, one hundred sixty-five million, eight hundred twenty-three thousand, four hundred seventy-eight".