10010100978 has 48 divisors (see below), whose sum is σ = 22207236480.
Its totient is φ = 3257003232.
The previous prime is 10010100977. The next prime is 10010101019. The reversal of 10010100978 is 87900101001.
It is not an unprimeable number, because it can be changed into a prime (10010100977) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1593628 + ... + 1599896.
It is an arithmetic number, because the mean of its divisors is an integer number (462650760).
Almost surely, 210010100978 is an apocalyptic number.
10010100978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
10010100978 is an abundant number, since it is smaller than the sum of its proper divisors (12197135502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10010100978 is a wasteful number, since it uses less digits than its factorization.
10010100978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8383 (or 8380 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 27.
Adding to 10010100978 its reverse (87900101001), we get a palindrome (97910201979).
The spelling of 10010100978 in words is "ten billion, ten million, one hundred thousand, nine hundred seventy-eight".