78025834 has 8 divisors (see below), whose sum is σ = 121074660. Its totient is φ = 37667616.

The previous prime is 78025823. The next prime is 78025877. The reversal of 78025834 is 43852087.

It can be written as a sum of positive squares in 2 ways, for example, as 69305625 + 8720209 = 8325^2 + 2953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 78025793 and 78025802.

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, 672579 + ... + 672694.

Almost surely, 2^78025834 is an apocalyptic number.

78025834 is a deficient number, since it is larger than the sum of its proper divisors (43048826).

78025834 is a wasteful number, since it uses less digits than its factorization.

78025834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345304.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 78025834 is about 8833.2233074909. The cubic root of 78025834 is about 427.3130338452.

The spelling of 78025834 in words is "seventy-eight million, twenty-five thousand, eight hundred thirty-four".