79846869453 has 32 divisors (see below), whose sum is σ = 116730028800. Its totient is φ = 48248663040.

The previous prime is 79846869449. The next prime is 79846869457. The reversal of 79846869453 is 35496864897.

It is an interprime number because it is at equal distance from previous prime (79846869449) and next prime (79846869457).

It is not a de Polignac number, because 79846869453 - 2² = 79846869449 is a prime.

It is a super-2 number, since 2×79846869453² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79846869457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382448 + ... + 1439046.

It is an arithmetic number, because the mean of its divisors is an integer number (3647813400).

Almost surely, 2^79846869453 is an apocalyptic number.

It is an amenable number.

79846869453 is a deficient number, since it is larger than the sum of its proper divisors (36883159347).

79846869453 is a wasteful number, since it uses less digits than its factorization.

79846869453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57269.

The product of its digits is 313528320, while the sum is 69.

The spelling of 79846869453 in words is "seventy-nine billion, eight hundred forty-six million, eight hundred sixty-nine thousand, four hundred fifty-three".