78925 has 24 divisors (see below), whose sum is σ = 124992. Its totient is φ = 48000.
The previous prime is 78919. The next prime is 78929. The reversal of 78925 is 52987.
It is not a de Polignac number, because 78925 - 25 = 78893 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 16.
It is a nialpdrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78929) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1905 + ... + 1945.
It is an arithmetic number, because the mean of its divisors is an integer number (5208).
278925 is an apocalyptic number.
It is an amenable number.
78925 is a deficient number, since it is larger than the sum of its proper divisors (46067).
78925 is a wasteful number, since it uses less digits than its factorization.
78925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69 (or 64 counting only the distinct ones).
The product of its digits is 5040, while the sum is 31.
The square root of 78925 is about 280.9359357576. The cubic root of 78925 is about 42.8948213620.
The spelling of 78925 in words is "seventy-eight thousand, nine hundred twenty-five".
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