78533428022380 has 24 divisors (see below), whose sum is σ = 165970645980048. Its totient is φ = 31213286040768.

The previous prime is 78533428022353. The next prime is 78533428022381. The reversal of 78533428022380 is 8322082433587.

It is not an unprimeable number, because it can be changed into a prime (78533428022381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12505319794 + ... + 12505326073.

It is an arithmetic number, because the mean of its divisors is an integer number (6915443582502).

Almost surely, 2^{78533428022380} is an apocalyptic number.

It is an amenable number.

78533428022380 is an abundant number, since it is smaller than the sum of its proper divisors (87437217957668).

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

78533428022380 is a wasteful number, since it uses less digits than its factorization.

78533428022380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25010646033 (or 25010646031 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 78533428022380 in words is "seventy-eight trillion, five hundred thirty-three billion, four hundred twenty-eight million, twenty-two thousand, three hundred eighty".