100778326 has 16 divisors (see below), whose sum is σ = 168746688. Its totient is φ = 44742600.

The previous prime is 100778317. The next prime is 100778333. The reversal of 100778326 is 623877001.

It is a junction number, because it is equal to n+sod(n) for n = 100778291 and 100778300.

It is a congruent number.

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, 52320 + ... + 54211.

It is an arithmetic number, because the mean of its divisors is an integer number (10546668).

Almost surely, 2^100778326 is an apocalyptic number.

100778326 is a deficient number, since it is larger than the sum of its proper divisors (67968362).

100778326 is a wasteful number, since it uses less digits than its factorization.

100778326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106587.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 100778326 is about 10038.8408693434. The cubic root of 100778326 is about 465.3599956307.

The spelling of 100778326 in words is "one hundred million, seven hundred seventy-eight thousand, three hundred twenty-six".