978685100270 has 16 divisors (see below), whose sum is σ = 1778736417120. Its totient is φ = 387673320864.

The previous prime is 978685100269. The next prime is 978685100279. The reversal of 978685100270 is 72001586879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978685100279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475088825 + ... + 475090884.

It is an arithmetic number, because the mean of its divisors is an integer number (111171026070).

Almost surely, 2^978685100270 is an apocalyptic number.

978685100270 is a deficient number, since it is larger than the sum of its proper divisors (800051316850).

978685100270 is a wasteful number, since it uses less digits than its factorization.

978685100270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950179819.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 978685100270 in words is "nine hundred seventy-eight billion, six hundred eighty-five million, one hundred thousand, two hundred seventy".