520148078 has 4 divisors (see below), whose sum is σ = 780222120. Its totient is φ = 260074038.

The previous prime is 520148077. The next prime is 520148093. The reversal of 520148078 is 870841025.

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

It is a super-3 number, since 3×520148078³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520148077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130037018 + ... + 130037021.

It is an arithmetic number, because the mean of its divisors is an integer number (195055530).

Almost surely, 2^520148078 is an apocalyptic number.

520148078 is a deficient number, since it is larger than the sum of its proper divisors (260074042).

520148078 is a wasteful number, since it uses less digits than its factorization.

520148078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260074041.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 520148078 is about 22806.7550958044. The cubic root of 520148078 is about 804.2214753746.

The spelling of 520148078 in words is "five hundred twenty million, one hundred forty-eight thousand, seventy-eight".