78526 has 16 divisors (see below), whose sum is σ = 138240. Its totient is φ = 32760.

The previous prime is 78517. The next prime is 78539. The reversal of 78526 is 62587.

It is a d-powerful number, because it can be written as 7² + 8 + 5⁷ + 2⁷ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 78494 and 78503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2⁷⁸⁵²⁶ is an apocalyptic number.

78526 is a deficient number, since it is larger than the sum of its proper divisors (59714).

78526 is a wasteful number, since it uses less digits than its factorization.

78526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

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

The square root of 78526 is about 280.2249096708. The cubic root of 78526 is about 42.8224152537.

The spelling of 78526 in words is "seventy-eight thousand, five hundred twenty-six".