75007780255 has 8 divisors (see below), whose sum is σ = 92204686224. Its totient is φ = 58542657600.

The previous prime is 75007780241. The next prime is 75007780259. The reversal of 75007780255 is 55208770057.

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

It is not a de Polignac number, because 75007780255 - 2²⁷ = 74873562527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75007780259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182945601 + ... + 182946010.

It is an arithmetic number, because the mean of its divisors is an integer number (11525585778).

Almost surely, 2^75007780255 is an apocalyptic number.

75007780255 is a deficient number, since it is larger than the sum of its proper divisors (17196905969).

75007780255 is a wasteful number, since it uses less digits than its factorization.

75007780255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365891657.

The product of its (nonzero) digits is 686000, while the sum is 46.

The spelling of 75007780255 in words is "seventy-five billion, seven million, seven hundred eighty thousand, two hundred fifty-five".