82698623 has 12 divisors (see below), whose sum is σ = 96846192. Its totient is φ = 70408800.

The previous prime is 82698617. The next prime is 82698647. The reversal of 82698623 is 32689628.

It is not a de Polignac number, because 82698623 - 2¹⁶ = 82633087 is a prime.

It is a super-2 number, since 2×82698623² = 13678124492192258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82698613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1811 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (8070516).

Almost surely, 2^82698623 is an apocalyptic number.

82698623 is a deficient number, since it is larger than the sum of its proper divisors (14147569).

82698623 is a wasteful number, since it uses less digits than its factorization.

82698623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342 (or 11335 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 82698623 is about 9093.8783255551. The cubic root of 82698623 is about 435.6784638727.

The spelling of 82698623 in words is "eighty-two million, six hundred ninety-eight thousand, six hundred twenty-three".