100776734438 has 16 divisors (see below), whose sum is σ = 152378363904. Its totient is φ = 49984066440.

The previous prime is 100776734437. The next prime is 100776734459. The reversal of 100776734438 is 834437677001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100776734437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901981 + ... + 1954247.

It is an arithmetic number, because the mean of its divisors is an integer number (9523647744).

Almost surely, 2^100776734438 is an apocalyptic number.

100776734438 is a deficient number, since it is larger than the sum of its proper divisors (51601629466).

100776734438 is a wasteful number, since it uses less digits than its factorization.

100776734438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59987.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 100776734438 in words is "one hundred billion, seven hundred seventy-six million, seven hundred thirty-four thousand, four hundred thirty-eight".