81676301 has 4 divisors (see below), whose sum is σ = 93344352. Its totient is φ = 70008252.

The previous prime is 81676291. The next prime is 81676319. The reversal of 81676301 is 10367618.

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 81676301 - 2²⁶ = 14567437 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81676321) 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, 5834015 + ... + 5834028.

It is an arithmetic number, because the mean of its divisors is an integer number (23336088).

Almost surely, 2^81676301 is an apocalyptic number.

It is an amenable number.

81676301 is a deficient number, since it is larger than the sum of its proper divisors (11668051).

81676301 is a wasteful number, since it uses less digits than its factorization.

81676301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668050.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 81676301 is about 9037.4941770382. The cubic root of 81676301 is about 433.8757262734.

The spelling of 81676301 in words is "eighty-one million, six hundred seventy-six thousand, three hundred one".