78075334671432 has 128 divisors (see below), whose sum is σ = 227719351296000. Its totient is φ = 22297980532800.

The previous prime is 78075334671371. The next prime is 78075334671461. The reversal of 78075334671432 is 23417643357087.

It is a super-2 number, since 2×78075334671432² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 17880457 + ... + 21814247.

It is an arithmetic number, because the mean of its divisors is an integer number (1779057432000).

Almost surely, 2^{78075334671432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78075334671432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113859675648000).

78075334671432 is an abundant number, since it is smaller than the sum of its proper divisors (149644016624568).

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

78075334671432 is a wasteful number, since it uses less digits than its factorization.

78075334671432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936232 (or 3936214 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 60.

The spelling of 78075334671432 in words is "seventy-eight trillion, seventy-five billion, three hundred thirty-four million, six hundred seventy-one thousand, four hundred thirty-two".