78582450 has 48 divisors (see below), whose sum is σ = 200165760. Its totient is φ = 20387520.

The previous prime is 78582443. The next prime is 78582479. The reversal of 78582450 is 5428587.

It is a junction number, because it is equal to n+sod(n) for n = 78582399 and 78582408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1530 + ... + 12629.

It is an arithmetic number, because the mean of its divisors is an integer number (4170120).

Almost surely, 2^78582450 is an apocalyptic number.

78582450 is an abundant number, since it is smaller than the sum of its proper divisors (121583310).

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

78582450 is a wasteful number, since it uses less digits than its factorization.

78582450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211 (or 14206 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 78582450 is about 8864.6742748958. The cubic root of 78582450 is about 428.3267404834.

The spelling of 78582450 in words is "seventy-eight million, five hundred eighty-two thousand, four hundred fifty".