79378901 has 8 divisors (see below), whose sum is σ = 90870720. Its totient is φ = 67925088.

The previous prime is 79378891. The next prime is 79378921. The reversal of 79378901 is 10987397.

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

It is not a de Polignac number, because 79378901 - 2⁶ = 79378837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79378921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 13508.

It is an arithmetic number, because the mean of its divisors is an integer number (11358840).

Almost surely, 2^79378901 is an apocalyptic number.

It is an amenable number.

79378901 is a deficient number, since it is larger than the sum of its proper divisors (11491819).

79378901 is a wasteful number, since it uses less digits than its factorization.

79378901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19003.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 79378901 is about 8909.4837673122. The cubic root of 79378901 is about 429.7689420265.

The spelling of 79378901 in words is "seventy-nine million, three hundred seventy-eight thousand, nine hundred one".