8277990 has 32 divisors (see below), whose sum is σ = 22705920. Its totient is φ = 1892064.

The previous prime is 8277967. The next prime is 8277991. The reversal of 8277990 is 997728.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8277991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19500 + ... + 19919.

It is an arithmetic number, because the mean of its divisors is an integer number (709560).

Almost surely, 2^8277990 is an apocalyptic number.

8277990 is an abundant number, since it is smaller than the sum of its proper divisors (14427930).

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

8277990 is a wasteful number, since it uses less digits than its factorization.

8277990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39436.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 8277990 is about 2877.1496311454. The cubic root of 8277990 is about 202.2902568427.

The spelling of 8277990 in words is "eight million, two hundred seventy-seven thousand, nine hundred ninety".