80867534 has 16 divisors (see below), whose sum is σ = 139294080. Its totient is φ = 34823160.

The previous prime is 80867491. The next prime is 80867557. The reversal of 80867534 is 43576808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80867491 and 80867500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96314 + ... + 97149.

It is an arithmetic number, because the mean of its divisors is an integer number (8705880).

Almost surely, 2^80867534 is an apocalyptic number.

80867534 is a deficient number, since it is larger than the sum of its proper divisors (58426546).

80867534 is a wasteful number, since it uses less digits than its factorization.

80867534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193495.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 80867534 is about 8992.6377665288. The cubic root of 80867534 is about 432.4388793979.

The spelling of 80867534 in words is "eighty million, eight hundred sixty-seven thousand, five hundred thirty-four".