75740487655 has 16 divisors (see below), whose sum is σ = 103882976064. Its totient is φ = 51931180800.

The previous prime is 75740487649. The next prime is 75740487677. The reversal of 75740487655 is 55678404757.

It is not a de Polignac number, because 75740487655 - 2⁵ = 75740487623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75740487655.

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, 268969 + ... + 473101.

It is an arithmetic number, because the mean of its divisors is an integer number (6492686004).

Almost surely, 2^75740487655 is an apocalyptic number.

75740487655 is a deficient number, since it is larger than the sum of its proper divisors (28142488409).

75740487655 is a wasteful number, since it uses less digits than its factorization.

75740487655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214746.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 75740487655 in words is "seventy-five billion, seven hundred forty million, four hundred eighty-seven thousand, six hundred fifty-five".