78026005 has 32 divisors (see below), whose sum is σ = 104696064. Its totient is φ = 55520256.

The previous prime is 78025999. The next prime is 78026041. The reversal of 78026005 is 50062087.

It is a cyclic number.

It is not a de Polignac number, because 78026005 - 2⁵ = 78025973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208999 + ... + 209371.

It is an arithmetic number, because the mean of its divisors is an integer number (3271752).

Almost surely, 2^78026005 is an apocalyptic number.

It is an amenable number.

78026005 is a deficient number, since it is larger than the sum of its proper divisors (26670059).

78026005 is a wasteful number, since it uses less digits than its factorization.

78026005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 78026005 is about 8833.2329868514. The cubic root of 78026005 is about 427.3133460088.

The spelling of 78026005 in words is "seventy-eight million, twenty-six thousand, five".