75455771356776 has 16 divisors (see below), whose sum is σ = 188639428392000. Its totient is φ = 25151923785584.

The previous prime is 75455771356769. The next prime is 75455771356843. The reversal of 75455771356776 is 67765317755457.

It is a super-2 number, since 2×75455771356776² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75455771356698 and 75455771356707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571995236576 + ... + 1571995236623.

It is an arithmetic number, because the mean of its divisors is an integer number (11789964274500).

Almost surely, 2^{75455771356776} is an apocalyptic number.

It is an amenable number.

75455771356776 is an abundant number, since it is smaller than the sum of its proper divisors (113183657035224).

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

75455771356776 is a wasteful number, since it uses less digits than its factorization.

75455771356776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143990473208 (or 3143990473204 counting only the distinct ones).

The product of its digits is 4537890000, while the sum is 75.

The spelling of 75455771356776 in words is "seventy-five trillion, four hundred fifty-five billion, seven hundred seventy-one million, three hundred fifty-six thousand, seven hundred seventy-six".