100728059878 has 8 divisors (see below), whose sum is σ = 151874950968. Its totient is φ = 50103076224.

The previous prime is 100728059867. The next prime is 100728059891. The reversal of 100728059878 is 878950827001.

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

It is a super-2 number, since 2×100728059878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130476376 + ... + 130477147.

It is an arithmetic number, because the mean of its divisors is an integer number (18984368871).

Almost surely, 2^100728059878 is an apocalyptic number.

100728059878 is a deficient number, since it is larger than the sum of its proper divisors (51146891090).

100728059878 is a wasteful number, since it uses less digits than its factorization.

100728059878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260953718.

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 100728059878 in words is "one hundred billion, seven hundred twenty-eight million, fifty-nine thousand, eight hundred seventy-eight".