75775856078 has 16 divisors (see below), whose sum is σ = 122715499200. Its totient is φ = 34885372896.

The previous prime is 75775856071. The next prime is 75775856081. The reversal of 75775856078 is 87065857757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75775856071) 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, 3660278 + ... + 3680921.

It is an arithmetic number, because the mean of its divisors is an integer number (7669718700).

Almost surely, 2^75775856078 is an apocalyptic number.

75775856078 is a deficient number, since it is larger than the sum of its proper divisors (46939643122).

75775856078 is a wasteful number, since it uses less digits than its factorization.

75775856078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341611.

The product of its (nonzero) digits is 115248000, while the sum is 65.

The spelling of 75775856078 in words is "seventy-five billion, seven hundred seventy-five million, eight hundred fifty-six thousand, seventy-eight".