79263887 has 2 divisors, whose sum is σ = 79263888. Its totient is φ = 79263886.

The previous prime is 79263883. The next prime is 79263907. The reversal of 79263887 is 78836297.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79263887 - 2² = 79263883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79263883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39631943 + 39631944.

It is an arithmetic number, because the mean of its divisors is an integer number (39631944).

Almost surely, 2^79263887 is an apocalyptic number.

79263887 is a deficient number, since it is larger than the sum of its proper divisors (1).

79263887 is an equidigital number, since it uses as much as digits as its factorization.

79263887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 79263887 is about 8903.0268448433. The cubic root of 79263887 is about 429.5612741749.

The spelling of 79263887 in words is "seventy-nine million, two hundred sixty-three thousand, eight hundred eighty-seven".