83780048 has 20 divisors (see below), whose sum is σ = 177080928. Its totient is φ = 38081760.

The previous prime is 83780033. The next prime is 83780051. The reversal of 83780048 is 84008738.

It is a junction number, because it is equal to n+sod(n) for n = 83779993 and 83780020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237836 + ... + 238187.

Almost surely, 2^83780048 is an apocalyptic number.

83780048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

83780048 is an abundant number, since it is smaller than the sum of its proper divisors (93300880).

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

83780048 is a wasteful number, since it uses less digits than its factorization.

83780048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476042 (or 476036 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 83780048 is about 9153.1441592493. The cubic root of 83780048 is about 437.5693243071.

The spelling of 83780048 in words is "eighty-three million, seven hundred eighty thousand, forty-eight".