575511978 has 8 divisors (see below), whose sum is σ = 1151023968. Its totient is φ = 191837324.

The previous prime is 575511973. The next prime is 575511983. The reversal of 575511978 is 879115575.

It is a happy number.

575511978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (575511973) and next prime (575511983).

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

575511978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (575511973) 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, 47959326 + ... + 47959337.

It is an arithmetic number, because the mean of its divisors is an integer number (143877996).

Almost surely, 2^575511978 is an apocalyptic number.

575511978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

575511978 is a wasteful number, since it uses less digits than its factorization.

575511978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95918668.

The product of its digits is 441000, while the sum is 48.

The square root of 575511978 is about 23989.8307205366. The cubic root of 575511978 is about 831.7984798007.

The spelling of 575511978 in words is "five hundred seventy-five million, five hundred eleven thousand, nine hundred seventy-eight".