75385986455 has 16 divisors (see below), whose sum is σ = 101657626560. Its totient is φ = 53249230848.

The previous prime is 75385986449. The next prime is 75385986497. The reversal of 75385986455 is 55468958357.

It is a cyclic number.

It is not a de Polignac number, because 75385986455 - 2⁶ = 75385986391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a junction number, because it is equal to n+sod(n) for n = 75385986391 and 75385986400.

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, 25211210 + ... + 25214199.

It is an arithmetic number, because the mean of its divisors is an integer number (6353601660).

Almost surely, 2^75385986455 is an apocalyptic number.

75385986455 is a deficient number, since it is larger than the sum of its proper divisors (26271640105).

75385986455 is a wasteful number, since it uses less digits than its factorization.

75385986455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50425450.

The product of its digits is 181440000, while the sum is 65.

The spelling of 75385986455 in words is "seventy-five billion, three hundred eighty-five million, nine hundred eighty-six thousand, four hundred fifty-five".