10777998 has 64 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 2726400.

The previous prime is 10777973. The next prime is 10777999. The reversal of 10777998 is 89977701.

10777998 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 not an unprimeable number, because it can be changed into a prime (10777999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18658 + ... + 19226.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^10777998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10777998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

10777998 is an abundant number, since it is smaller than the sum of its proper divisors (16800882).

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

10777998 is a wasteful number, since it uses less digits than its factorization.

10777998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 10777998 is about 3282.9861406957. The cubic root of 10777998 is about 220.8916840546.

The spelling of 10777998 in words is "ten million, seven hundred seventy-seven thousand, nine hundred ninety-eight".