255232062978 has 8 divisors (see below), whose sum is σ = 510464125968. Its totient is φ = 85077354324.

The previous prime is 255232062973. The next prime is 255232062979. The reversal of 255232062978 is 879260232552.

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

255232062978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 255232062978.

It is not an unprimeable number, because it can be changed into a prime (255232062973) 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, 21269338576 + ... + 21269338587.

It is an arithmetic number, because the mean of its divisors is an integer number (63808015746).

Almost surely, 2^255232062978 is an apocalyptic number.

255232062978 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.

255232062978 is a wasteful number, since it uses less digits than its factorization.

255232062978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42538677168.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 255232062978 in words is "two hundred fifty-five billion, two hundred thirty-two million, sixty-two thousand, nine hundred seventy-eight".