100778054 has 8 divisors (see below), whose sum is σ = 162795360. Its totient is φ = 46512936.

The previous prime is 100778017. The next prime is 100778059. The reversal of 100778054 is 450877001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100778054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100778059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938014 + ... + 1938065.

It is an arithmetic number, because the mean of its divisors is an integer number (20349420).

Almost surely, 2^100778054 is an apocalyptic number.

100778054 is a deficient number, since it is larger than the sum of its proper divisors (62017306).

100778054 is a wasteful number, since it uses less digits than its factorization.

100778054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876094.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 100778054 is about 10038.8273219535. The cubic root of 100778054 is about 465.3595769625.

The spelling of 100778054 in words is "one hundred million, seven hundred seventy-eight thousand, fifty-four".