80511426 has 12 divisors (see below), whose sum is σ = 174441462. Its totient is φ = 26837136.

The previous prime is 80511407. The next prime is 80511427. The reversal of 80511426 is 62411508.

It can be written as a sum of positive squares in only one way, i.e., 59305401 + 21206025 = 7701^2 + 4605^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80511426.

It is not an unprimeable number, because it can be changed into a prime (80511427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2236411 + ... + 2236446.

Almost surely, 2^80511426 is an apocalyptic number.

80511426 is an abundant number, since it is smaller than the sum of its proper divisors (93930036).

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

80511426 is a wasteful number, since it uses less digits than its factorization.

80511426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472865 (or 4472862 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80511426 is about 8972.8159459559. The cubic root of 80511426 is about 431.8031832360.

The spelling of 80511426 in words is "eighty million, five hundred eleven thousand, four hundred twenty-six".