93778332420 has 48 divisors (see below), whose sum is σ = 262624195008. Its totient is φ = 25003282560.

The previous prime is 93778332419. The next prime is 93778332437. The reversal of 93778332420 is 2423387739.

It is a self number, because there is not a number n which added to its sum of digits gives 93778332420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228690 + ... + 489750.

It is an arithmetic number, because the mean of its divisors is an integer number (5471337396).

Almost surely, 2^93778332420 is an apocalyptic number.

It is an amenable number.

93778332420 is an abundant number, since it is smaller than the sum of its proper divisors (168845862588).

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

93778332420 is a wasteful number, since it uses less digits than its factorization.

93778332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267060 (or 267058 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 93778332420 in words is "ninety-three billion, seven hundred seventy-eight million, three hundred thirty-two thousand, four hundred twenty".