80894929 has 4 divisors (see below), whose sum is σ = 82102384. Its totient is φ = 79687476.

The previous prime is 80894923. The next prime is 80894939. The reversal of 80894929 is 92949808.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80894929 - 2³ = 80894921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80894921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603627 + ... + 603760.

It is an arithmetic number, because the mean of its divisors is an integer number (20525596).

Almost surely, 2^80894929 is an apocalyptic number.

It is an amenable number.

80894929 is a deficient number, since it is larger than the sum of its proper divisors (1207455).

80894929 is a wasteful number, since it uses less digits than its factorization.

80894929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207454.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 80894929 is about 8994.1608280039. The cubic root of 80894929 is about 432.4877054431.

The spelling of 80894929 in words is "eighty million, eight hundred ninety-four thousand, nine hundred twenty-nine".