100368978 has 8 divisors (see below), whose sum is σ = 200737968. Its totient is φ = 33456324.

The previous prime is 100368977. The next prime is 100368991. The reversal of 100368978 is 879863001.

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

100368978 is an admirable number.

It is a super-3 number, since 3×100368978³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100368977) 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, 8364076 + ... + 8364087.

It is an arithmetic number, because the mean of its divisors is an integer number (25092246).

Almost surely, 2^100368978 is an apocalyptic number.

100368978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100368978 is a wasteful number, since it uses less digits than its factorization.

100368978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728168.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 100368978 is about 10018.4319132287. The cubic root of 100368978 is about 464.7290640430.

The spelling of 100368978 in words is "one hundred million, three hundred sixty-eight thousand, nine hundred seventy-eight".