100678249107 has 10 divisors (see below), whose sum is σ = 150395903108. Its totient is φ = 67118832684.

The previous prime is 100678249097. The next prime is 100678249109. The reversal of 100678249107 is 701942876001.

It is a happy number.

It is not a de Polignac number, because 100678249107 - 2¹⁵ = 100678216339 is a prime.

It is a super-2 number, since 2×100678249107² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100678249109) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 621470593 + ... + 621470754.

Almost surely, 2^100678249107 is an apocalyptic number.

100678249107 is a deficient number, since it is larger than the sum of its proper divisors (49717654001).

100678249107 is an equidigital number, since it uses as much as digits as its factorization.

100678249107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242941359 (or 1242941350 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 100678249107 in words is "one hundred billion, six hundred seventy-eight million, two hundred forty-nine thousand, one hundred seven".