78741882 has 20 divisors (see below), whose sum is σ = 176440506. Its totient is φ = 26247240.

The previous prime is 78741869. The next prime is 78741889. The reversal of 78741882 is 28814787.

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 4247721 = 8631^2 + 2061^2 .

It is not an unprimeable number, because it can be changed into a prime (78741889) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 242869 + ... + 243192.

Almost surely, 2^78741882 is an apocalyptic number.

78741882 is an abundant number, since it is smaller than the sum of its proper divisors (97698624).

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

78741882 is a wasteful number, since it uses less digits than its factorization.

78741882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486075 (or 486066 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 78741882 is about 8873.6622653784. The cubic root of 78741882 is about 428.6162150339.

The spelling of 78741882 in words is "seventy-eight million, seven hundred forty-one thousand, eight hundred eighty-two".