79420154607 has 12 divisors (see below), whose sum is σ = 115261691064. Its totient is φ = 52695835920.

The previous prime is 79420154591. The next prime is 79420154647. The reversal of 79420154607 is 70645102497.

79420154607 is a `hidden beast` number, since 7 + 9 + 4 + 20 + 15 + 4 + 607 = 666.

It is not a de Polignac number, because 79420154607 - 2⁴ = 79420154591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79420154647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20909148 + ... + 20912945.

It is an arithmetic number, because the mean of its divisors is an integer number (9605140922).

Almost surely, 2^79420154607 is an apocalyptic number.

79420154607 is a deficient number, since it is larger than the sum of its proper divisors (35841536457).

79420154607 is a wasteful number, since it uses less digits than its factorization.

79420154607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41822310 (or 41822307 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 79420154607 in words is "seventy-nine billion, four hundred twenty million, one hundred fifty-four thousand, six hundred seven".