84868623 has 24 divisors (see below), whose sum is σ = 141137568. Its totient is φ = 48137472.

The previous prime is 84868621. The next prime is 84868657. The reversal of 84868623 is 32686848.

It is a happy number.

It is not a de Polignac number, because 84868623 - 2¹ = 84868621 is a prime.

It is a super-2 number, since 2×84868623² = 14405366339832258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84868621) 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, 3715 + ... + 13547.

It is an arithmetic number, because the mean of its divisors is an integer number (5880732).

Almost surely, 2^84868623 is an apocalyptic number.

84868623 is a deficient number, since it is larger than the sum of its proper divisors (56268945).

84868623 is a wasteful number, since it uses less digits than its factorization.

84868623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983 (or 9980 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 84868623 is about 9212.4167838847. The cubic root of 84868623 is about 439.4563240193.

It can be divided in two parts, 84868 and 623, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 84868623 in words is "eighty-four million, eight hundred sixty-eight thousand, six hundred twenty-three".