82378748292 has 48 divisors (see below), whose sum is σ = 199381680960. Its totient is φ = 26453564928.

The previous prime is 82378748273. The next prime is 82378748303. The reversal of 82378748292 is 29284787328.

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, 1055817 + ... + 1131152.

It is an arithmetic number, because the mean of its divisors is an integer number (4153785020).

Almost surely, 2^82378748292 is an apocalyptic number.

It is an amenable number.

82378748292 is an abundant number, since it is smaller than the sum of its proper divisors (117002932668).

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

82378748292 is a wasteful number, since it uses less digits than its factorization.

82378748292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187092 (or 2187090 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The spelling of 82378748292 in words is "eighty-two billion, three hundred seventy-eight million, seven hundred forty-eight thousand, two hundred ninety-two".