79213671 has 6 divisors (see below), whose sum is σ = 114419760. Its totient is φ = 52809108.

The previous prime is 79213669. The next prime is 79213721. The reversal of 79213671 is 17631297.

It is a happy number.

It is not a de Polignac number, because 79213671 - 2¹ = 79213669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79213601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4400751 + ... + 4400768.

It is an arithmetic number, because the mean of its divisors is an integer number (19069960).

Almost surely, 2^79213671 is an apocalyptic number.

79213671 is a deficient number, since it is larger than the sum of its proper divisors (35206089).

79213671 is a wasteful number, since it uses less digits than its factorization.

79213671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801525 (or 8801522 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 79213671 is about 8900.2062335656. The cubic root of 79213671 is about 429.4705417845.

The spelling of 79213671 in words is "seventy-nine million, two hundred thirteen thousand, six hundred seventy-one".