75657378084 has 24 divisors (see below), whose sum is σ = 177509212608. Its totient is φ = 25079793120.

The previous prime is 75657378059. The next prime is 75657378101. The reversal of 75657378084 is 48087375657.

It is a happy number.

It is a super-2 number, since 2×75657378084² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17414352 + ... + 17418695.

It is an arithmetic number, because the mean of its divisors is an integer number (7396217192).

Almost surely, 2^75657378084 is an apocalyptic number.

It is an amenable number.

75657378084 is an abundant number, since it is smaller than the sum of its proper divisors (101851834524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75657378084 is a wasteful number, since it uses less digits than its factorization.

75657378084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34833235 (or 34833233 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 75657378084 in words is "seventy-five billion, six hundred fifty-seven million, three hundred seventy-eight thousand, eighty-four".