79578401486 has 8 divisors (see below), whose sum is σ = 119378236104. Its totient is φ = 39785656120.

The previous prime is 79578401473. The next prime is 79578401489. The reversal of 79578401486 is 68410487597.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79578401489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744160 + ... + 1789203.

It is an arithmetic number, because the mean of its divisors is an integer number (14922279513).

Almost surely, 2^79578401486 is an apocalyptic number.

79578401486 is a deficient number, since it is larger than the sum of its proper divisors (39799834618).

79578401486 is a wasteful number, since it uses less digits than its factorization.

79578401486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544626.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 79578401486 in words is "seventy-nine billion, five hundred seventy-eight million, four hundred one thousand, four hundred eighty-six".