75607779455 has 16 divisors (see below), whose sum is σ = 97715376864. Its totient is φ = 55829516160.

The previous prime is 75607779439. The next prime is 75607779469. The reversal of 75607779455 is 55497770657.

It is a happy number.

It is not a de Polignac number, because 75607779455 - 2⁴ = 75607779439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1162457 + ... + 1225773.

It is an arithmetic number, because the mean of its divisors is an integer number (6107211054).

Almost surely, 2^75607779455 is an apocalyptic number.

75607779455 is a deficient number, since it is larger than the sum of its proper divisors (22107597409).

75607779455 is a wasteful number, since it uses less digits than its factorization.

75607779455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81706.

The product of its (nonzero) digits is 64827000, while the sum is 62.

The spelling of 75607779455 in words is "seventy-five billion, six hundred seven million, seven hundred seventy-nine thousand, four hundred fifty-five".