79378451 has 8 divisors (see below), whose sum is σ = 84067584. Its totient is φ = 74792520.

The previous prime is 79378433. The next prime is 79378459. The reversal of 79378451 is 15487397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79378451 - 2¹⁸ = 79116307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79378459) 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 in 7 ways as a sum of consecutive naturals, for example, 24215 + ... + 27296.

It is an arithmetic number, because the mean of its divisors is an integer number (10508448).

Almost surely, 2^79378451 is an apocalyptic number.

79378451 is a deficient number, since it is larger than the sum of its proper divisors (4689133).

79378451 is a wasteful number, since it uses less digits than its factorization.

79378451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51601.

The product of its digits is 211680, while the sum is 44.

The square root of 79378451 is about 8909.4585132880. The cubic root of 79378451 is about 429.7681299031.

The spelling of 79378451 in words is "seventy-nine million, three hundred seventy-eight thousand, four hundred fifty-one".