820675496878 has 32 divisors (see below), whose sum is σ = 1243002184704. Its totient is φ = 406357271232.

The previous prime is 820675496779. The next prime is 820675496897. The reversal of 820675496878 is 878694576028.

820675496878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371850051 + ... + 371852257.

It is an arithmetic number, because the mean of its divisors is an integer number (38843818272).

Almost surely, 2^820675496878 is an apocalyptic number.

820675496878 is a deficient number, since it is larger than the sum of its proper divisors (422326687826).

820675496878 is a wasteful number, since it uses less digits than its factorization.

820675496878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 820675496878 in words is "eight hundred twenty billion, six hundred seventy-five million, four hundred ninety-six thousand, eight hundred seventy-eight".