78050420432 has 40 divisors (see below), whose sum is σ = 157223568000. Its totient is φ = 37490124672.

The previous prime is 78050420423. The next prime is 78050420543. The reversal of 78050420432 is 23402405087.

It is a super-2 number, since 2×78050420432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78050420392 and 78050420401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330308 + ... + 514979.

It is an arithmetic number, because the mean of its divisors is an integer number (3930589200).

Almost surely, 2^78050420432 is an apocalyptic number.

It is an amenable number.

78050420432 is an abundant number, since it is smaller than the sum of its proper divisors (79173147568).

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

78050420432 is a wasteful number, since it uses less digits than its factorization.

78050420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845523 (or 845517 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 78050420432 in words is "seventy-eight billion, fifty million, four hundred twenty thousand, four hundred thirty-two".