100078355 has 16 divisors (see below), whose sum is σ = 129962784. Its totient is φ = 73543680.

The previous prime is 100078351. The next prime is 100078357. The reversal of 100078355 is 553870001.

100078355 = 261² + 262² + ... + 682².

It is not a de Polignac number, because 100078355 - 2² = 100078351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100078351) 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, 10067 + ... + 17363.

It is an arithmetic number, because the mean of its divisors is an integer number (8122674).

Almost surely, 2^100078355 is an apocalyptic number.

100078355 is a deficient number, since it is larger than the sum of its proper divisors (29884429).

100078355 is a wasteful number, since it uses less digits than its factorization.

100078355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 100078355 is about 10003.9169828623. The cubic root of 100078355 is about 464.2800822760.

The spelling of 100078355 in words is "one hundred million, seventy-eight thousand, three hundred fifty-five".