920812886 has 16 divisors (see below), whose sum is σ = 1590589440. Its totient is φ = 391620840.

The previous prime is 920812883. The next prime is 920812927. The reversal of 920812886 is 688218029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920812883) 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, 249206 + ... + 252873.

It is an arithmetic number, because the mean of its divisors is an integer number (99411840).

Almost surely, 2^920812886 is an apocalyptic number.

920812886 is a deficient number, since it is larger than the sum of its proper divisors (669776554).

920812886 is a wasteful number, since it uses less digits than its factorization.

920812886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502219.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 920812886 is about 30344.8988464289. The cubic root of 920812886 is about 972.8751925606.

The spelling of 920812886 in words is "nine hundred twenty million, eight hundred twelve thousand, eight hundred eighty-six".