100776973 has 4 divisors (see below), whose sum is σ = 109938528. Its totient is φ = 91615420.

The previous prime is 100776967. The next prime is 100776989. The reversal of 100776973 is 379677001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100776973 - 2¹⁷ = 100645901 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100776953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580761 + ... + 4580782.

It is an arithmetic number, because the mean of its divisors is an integer number (27484632).

Almost surely, 2^100776973 is an apocalyptic number.

It is an amenable number.

100776973 is a deficient number, since it is larger than the sum of its proper divisors (9161555).

100776973 is an equidigital number, since it uses as much as digits as its factorization.

100776973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161554.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 100776973 is about 10038.7734808591. The cubic root of 100776973 is about 465.3579130569.

The spelling of 100776973 in words is "one hundred million, seven hundred seventy-six thousand, nine hundred seventy-three".