78467803428444 has 96 divisors (see below), whose sum is σ = 190748428738560. Its totient is φ = 25082942796288.

The previous prime is 78467803428437. The next prime is 78467803428457. The reversal of 78467803428444 is 44482430876487.

It is a super-2 number, since 2×78467803428444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45799677 + ... + 47482059.

It is an arithmetic number, because the mean of its divisors is an integer number (1986962799360).

Almost surely, 2^{78467803428444} is an apocalyptic number.

78467803428444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78467803428444 is an abundant number, since it is smaller than the sum of its proper divisors (112280625310116).

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

78467803428444 is a wasteful number, since it uses less digits than its factorization.

78467803428444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683939 (or 1683937 counting only the distinct ones).

The product of its (nonzero) digits is 924844032, while the sum is 69.

The spelling of 78467803428444 in words is "seventy-eight trillion, four hundred sixty-seven billion, eight hundred three million, four hundred twenty-eight thousand, four hundred forty-four".