80413947 has 24 divisors (see below), whose sum is σ = 122666960. Its totient is φ = 50621760.

The previous prime is 80413943. The next prime is 80413981. The reversal of 80413947 is 74931408.

It is a happy number.

It is not a de Polignac number, because 80413947 - 2² = 80413943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80413943) 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, 71433 + ... + 72549.

Almost surely, 2^80413947 is an apocalyptic number.

80413947 is a deficient number, since it is larger than the sum of its proper divisors (42253013).

80413947 is a wasteful number, since it uses less digits than its factorization.

80413947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80413947 is about 8967.3823939877. The cubic root of 80413947 is about 431.6288446627.

The spelling of 80413947 in words is "eighty million, four hundred thirteen thousand, nine hundred forty-seven".