75077666455 has 16 divisors (see below), whose sum is σ = 98872026624. Its totient is φ = 54274974880.

The previous prime is 75077666387. The next prime is 75077666509. The reversal of 75077666455 is 55466677057.

It is not a de Polignac number, because 75077666455 - 2²⁵ = 75044112023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75077666455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4077787 + ... + 4096156.

It is an arithmetic number, because the mean of its divisors is an integer number (6179501664).

Almost surely, 2^75077666455 is an apocalyptic number.

75077666455 is a deficient number, since it is larger than the sum of its proper divisors (23794360169).

75077666455 is a wasteful number, since it uses less digits than its factorization.

75077666455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174126.

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 75077666455 in words is "seventy-five billion, seventy-seven million, six hundred sixty-six thousand, four hundred fifty-five".