79100001265 has 8 divisors (see below), whose sum is σ = 95790827880. Its totient is φ = 62699450112.

The previous prime is 79100001241. The next prime is 79100001289. The reversal of 79100001265 is 56210000197.

It is an interprime number because it is at equal distance from previous prime (79100001241) and next prime (79100001289).

It can be written as a sum of positive squares in 4 ways, for example, as 32402520049 + 46697481216 = 180007^2 + 216096^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79100001265 - 2⁷ = 79100001137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72568264 + ... + 72569353.

It is an arithmetic number, because the mean of its divisors is an integer number (11973853485).

Almost surely, 2^79100001265 is an apocalyptic number.

It is an amenable number.

79100001265 is a deficient number, since it is larger than the sum of its proper divisors (16690826615).

79100001265 is a wasteful number, since it uses less digits than its factorization.

79100001265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145137731.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 79100001265 in words is "seventy-nine billion, one hundred million, one thousand, two hundred sixty-five".