78352485 has 32 divisors (see below), whose sum is σ = 133488000. Its totient is φ = 39131136.

The previous prime is 78352471. The next prime is 78352501. The reversal of 78352485 is 58425387.

It is not a de Polignac number, because 78352485 - 2⁵ = 78352453 is a prime.

It is a super-2 number, since 2×78352485² = 12278223811350450, which contains 22 as substring.

It is a Curzon number.

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, 23821 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (4171500).

Almost surely, 2^78352485 is an apocalyptic number.

It is an amenable number.

78352485 is a deficient number, since it is larger than the sum of its proper divisors (55135515).

78352485 is a wasteful number, since it uses less digits than its factorization.

78352485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its digits is 268800, while the sum is 42.

The square root of 78352485 is about 8851.6939056883. The cubic root of 78352485 is about 427.9085113938.

The spelling of 78352485 in words is "seventy-eight million, three hundred fifty-two thousand, four hundred eighty-five".