79054387 has 2 divisors, whose sum is σ = 79054388. Its totient is φ = 79054386.

The previous prime is 79054363. The next prime is 79054397. The reversal of 79054387 is 78345097.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79054387 - 2⁷ = 79054259 is a prime.

It is a super-2 number, since 2×79054387² = 12499192207891538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79054357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39527193 + 39527194.

It is an arithmetic number, because the mean of its divisors is an integer number (39527194).

Almost surely, 2^79054387 is an apocalyptic number.

79054387 is a deficient number, since it is larger than the sum of its proper divisors (1).

79054387 is an equidigital number, since it uses as much as digits as its factorization.

79054387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 79054387 is about 8891.2533987059. The cubic root of 79054387 is about 429.1824867557.

The spelling of 79054387 in words is "seventy-nine million, fifty-four thousand, three hundred eighty-seven".