87826973 has 8 divisors (see below), whose sum is σ = 96595968. Its totient is φ = 79345584.

The previous prime is 87826969. The next prime is 87826979. The reversal of 87826973 is 37962878.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87826973 - 2² = 87826969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87826979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71261 + ... + 72482.

It is an arithmetic number, because the mean of its divisors is an integer number (12074496).

Almost surely, 2^87826973 is an apocalyptic number.

It is an amenable number.

87826973 is a deficient number, since it is larger than the sum of its proper divisors (8768995).

87826973 is a wasteful number, since it uses less digits than its factorization.

87826973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143803.

The product of its digits is 1016064, while the sum is 50.

The square root of 87826973 is about 9371.6046118047. The cubic root of 87826973 is about 444.5043051710.

The spelling of 87826973 in words is "eighty-seven million, eight hundred twenty-six thousand, nine hundred seventy-three".