100691079 has 16 divisors (see below), whose sum is σ = 143354112. Its totient is φ = 62713728.

The previous prime is 100691077. The next prime is 100691081. The reversal of 100691079 is 970196001.

It is an interprime number because it is at equal distance from previous prime (100691077) and next prime (100691081).

It is not a de Polignac number, because 100691079 - 2¹ = 100691077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100691077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14002 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (8959632).

Almost surely, 2^100691079 is an apocalyptic number.

100691079 is a deficient number, since it is larger than the sum of its proper divisors (42663033).

100691079 is a wasteful number, since it uses less digits than its factorization.

100691079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 100691079 is about 10034.4944566231. The cubic root of 100691079 is about 465.2256645452.

The spelling of 100691079 in words is "one hundred million, six hundred ninety-one thousand, seventy-nine".