78775034 has 16 divisors (see below), whose sum is σ = 129340680. Its totient is φ = 35760960.

The previous prime is 78775009. The next prime is 78775133. The reversal of 78775034 is 43057787.

It can be written as a sum of positive squares in 4 ways, for example, as 12271009 + 66504025 = 3503^2 + 8155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78774982 and 78775000.

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, 23249 + ... + 26420.

Almost surely, 2^78775034 is an apocalyptic number.

78775034 is a deficient number, since it is larger than the sum of its proper divisors (50565646).

78775034 is a wasteful number, since it uses less digits than its factorization.

78775034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49745.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 78775034 is about 8875.5300686776. The cubic root of 78775034 is about 428.6763587621.

The spelling of 78775034 in words is "seventy-eight million, seven hundred seventy-five thousand, thirty-four".