80390835 has 24 divisors (see below), whose sum is σ = 159251040. Its totient is φ = 36749952.

The previous prime is 80390833. The next prime is 80390837. The reversal of 80390835 is 53809308.

It is an interprime number because it is at equal distance from previous prime (80390833) and next prime (80390837).

It is not a de Polignac number, because 80390835 - 2¹ = 80390833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80390835.

It is not an unprimeable number, because it can be changed into a prime (80390833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127290 + ... + 127919.

It is an arithmetic number, because the mean of its divisors is an integer number (6635460).

Almost surely, 2^80390835 is an apocalyptic number.

80390835 is a deficient number, since it is larger than the sum of its proper divisors (78860205).

80390835 is a wasteful number, since it uses less digits than its factorization.

80390835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255227 (or 255224 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 80390835 is about 8966.0936310079. The cubic root of 80390835 is about 431.5874888112.

It can be divided in two parts, 80390 and 835, that added together give a square (81225 = 285²).

The spelling of 80390835 in words is "eighty million, three hundred ninety thousand, eight hundred thirty-five".