78775050 has 24 divisors (see below), whose sum is σ = 195362496. Its totient is φ = 21006640.

The previous prime is 78775009. The next prime is 78775133. The reversal of 78775050 is 5057787.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262434 + ... + 262733.

It is an arithmetic number, because the mean of its divisors is an integer number (8140104).

Almost surely, 2^78775050 is an apocalyptic number.

78775050 is an abundant number, since it is smaller than the sum of its proper divisors (116587446).

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

78775050 is a wasteful number, since it uses less digits than its factorization.

78775050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525182 (or 525177 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 39.

The square root of 78775050 is about 8875.5309700322. The cubic root of 78775050 is about 428.6763877849.

The spelling of 78775050 in words is "seventy-eight million, seven hundred seventy-five thousand, fifty".