78357504065100 has 144 divisors (see below), whose sum is σ = 245502865040160. Its totient is φ = 19181437286400.

The previous prime is 78357504065089. The next prime is 78357504065177. The reversal of 78357504065100 is 156040575387.

78357504065100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78357504065100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54795945 + ... + 56207744.

Almost surely, 2^{78357504065100} is an apocalyptic number.

It is an amenable number.

78357504065100 is an abundant number, since it is smaller than the sum of its proper divisors (167145360975060).

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

78357504065100 is a wasteful number, since it uses less digits than its factorization.

78357504065100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111003900 (or 111003893 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 78357504065100 in words is "seventy-eight trillion, three hundred fifty-seven billion, five hundred four million, sixty-five thousand, one hundred".