78103826 has 8 divisors (see below), whose sum is σ = 117588864. Its totient is φ = 38907540.

The previous prime is 78103793. The next prime is 78103859. The reversal of 78103826 is 62830187.

It is an interprime number because it is at equal distance from previous prime (78103793) and next prime (78103859).

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

It is a super-2 number, since 2×78103826² = 12200415271676552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71510 + ... + 72593.

It is an arithmetic number, because the mean of its divisors is an integer number (14698608).

Almost surely, 2^78103826 is an apocalyptic number.

78103826 is a deficient number, since it is larger than the sum of its proper divisors (39485038).

78103826 is a wasteful number, since it uses less digits than its factorization.

78103826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144376.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 78103826 is about 8837.6369013442. The cubic root of 78103826 is about 427.4553623468.

The spelling of 78103826 in words is "seventy-eight million, one hundred three thousand, eight hundred twenty-six".