78935051 has 4 divisors (see below), whose sum is σ = 85006992. Its totient is φ = 72863112.

The previous prime is 78935009. The next prime is 78935053. The reversal of 78935051 is 15053987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78935051 - 2²² = 74740747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78934996 and 78935014.

It is not an unprimeable number, because it can be changed into a prime (78935053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035951 + ... + 3035976.

It is an arithmetic number, because the mean of its divisors is an integer number (21251748).

Almost surely, 2^78935051 is an apocalyptic number.

78935051 is a deficient number, since it is larger than the sum of its proper divisors (6071941).

78935051 is a wasteful number, since it uses less digits than its factorization.

78935051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071940.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 78935051 is about 8884.5399993472. The cubic root of 78935051 is about 428.9664215201.

The spelling of 78935051 in words is "seventy-eight million, nine hundred thirty-five thousand, fifty-one".