78620126 has 8 divisors (see below), whose sum is σ = 127001784. Its totient is φ = 36286200.

The previous prime is 78620111. The next prime is 78620159. The reversal of 78620126 is 62102687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78620126² = 12362248424511752, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78620092 and 78620101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511900 + ... + 1511951.

It is an arithmetic number, because the mean of its divisors is an integer number (15875223).

Almost surely, 2^78620126 is an apocalyptic number.

78620126 is a deficient number, since it is larger than the sum of its proper divisors (48381658).

78620126 is a wasteful number, since it uses less digits than its factorization.

78620126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023866.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 78620126 is about 8866.7990842243. The cubic root of 78620126 is about 428.3951826522.

The spelling of 78620126 in words is "seventy-eight million, six hundred twenty thousand, one hundred twenty-six".