78836051 has 12 divisors (see below), whose sum is σ = 92184048. Its totient is φ = 67222512.

The previous prime is 78836033. The next prime is 78836053. The reversal of 78836051 is 15063887.

It is a de Polignac number, because none of the positive numbers 2^k-78836051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78835996 and 78836014.

It is not an unprimeable number, because it can be changed into a prime (78836053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5570 + ... + 13736.

It is an arithmetic number, because the mean of its divisors is an integer number (7682004).

Almost surely, 2^78836051 is an apocalyptic number.

78836051 is a deficient number, since it is larger than the sum of its proper divisors (13347997).

78836051 is a wasteful number, since it uses less digits than its factorization.

78836051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 78836051 is about 8878.9667754756. The cubic root of 78836051 is about 428.7870105494.

The spelling of 78836051 in words is "seventy-eight million, eight hundred thirty-six thousand, fifty-one".