80662461 has 32 divisors (see below), whose sum is σ = 120268800. Its totient is φ = 47678400.

The previous prime is 80662441. The next prime is 80662489. The reversal of 80662461 is 16426608.

It is a happy number.

It is not a de Polignac number, because 80662461 - 2⁹ = 80661949 is a prime.

It is a super-2 number, since 2×80662461² = 13012865229153042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80662411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405240 + ... + 405438.

It is an arithmetic number, because the mean of its divisors is an integer number (3758400).

Almost surely, 2^80662461 is an apocalyptic number.

It is an amenable number.

80662461 is a deficient number, since it is larger than the sum of its proper divisors (39606339).

80662461 is a wasteful number, since it uses less digits than its factorization.

80662461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80662461 is about 8981.2282567586. The cubic root of 80662461 is about 432.0730275635.

The spelling of 80662461 in words is "eighty million, six hundred sixty-two thousand, four hundred sixty-one".