80513834 has 4 divisors (see below), whose sum is σ = 120770754. Its totient is φ = 40256916.

The previous prime is 80513827. The next prime is 80513843. The reversal of 80513834 is 43831508.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79156609 + 1357225 = 8897^2 + 1165^2 .

It is a super-3 number, since 3×80513834³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80513834.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20128457 + ... + 20128460.

Almost surely, 2^80513834 is an apocalyptic number.

80513834 is a deficient number, since it is larger than the sum of its proper divisors (40256920).

80513834 is a wasteful number, since it uses less digits than its factorization.

80513834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40256919.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80513834 is about 8972.9501280237. The cubic root of 80513834 is about 431.8074880978.

The spelling of 80513834 in words is "eighty million, five hundred thirteen thousand, eight hundred thirty-four".