79732972461 has 8 divisors (see below), whose sum is σ = 106312208704. Its totient is φ = 53154525600.

The previous prime is 79732972409. The next prime is 79732972547. The reversal of 79732972461 is 16427923797.

It is a happy number.

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

It is not a de Polignac number, because 79732972461 - 2⁹ = 79732971949 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 (79732972061) 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, 104136 + ... + 412686.

It is an arithmetic number, because the mean of its divisors is an integer number (13289026088).

Almost surely, 2^79732972461 is an apocalyptic number.

It is an amenable number.

79732972461 is a deficient number, since it is larger than the sum of its proper divisors (26579236243).

79732972461 is a wasteful number, since it uses less digits than its factorization.

79732972461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394691.

The product of its digits is 8001504, while the sum is 57.

The spelling of 79732972461 in words is "seventy-nine billion, seven hundred thirty-two million, nine hundred seventy-two thousand, four hundred sixty-one".