78770230 has 32 divisors (see below), whose sum is σ = 176774400. Its totient is φ = 24551520.

The previous prime is 78770227. The next prime is 78770269. The reversal of 78770230 is 3207787.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 50380 + ... + 51919.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^78770230 is an apocalyptic number.

78770230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78770230 is an abundant number, since it is smaller than the sum of its proper divisors (98004170).

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

78770230 is a wasteful number, since it uses less digits than its factorization.

78770230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102324.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 78770230 is about 8875.2594328279. The cubic root of 78770230 is about 428.6676444822.

It can be divided in two parts, 787 and 70230, that added together give a palindrome (71017).

The spelling of 78770230 in words is "seventy-eight million, seven hundred seventy thousand, two hundred thirty".