82487042 has 16 divisors (see below), whose sum is σ = 135685152. Its totient is φ = 37297920.

The previous prime is 82487011. The next prime is 82487047. The reversal of 82487042 is 24078428.

It is a super-2 number, since 2×82487042² = 13608224195819528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82486993 and 82487011.

It is not an unprimeable number, because it can be changed into a prime (82487047) 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, 5468 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (8480322).

Almost surely, 2^82487042 is an apocalyptic number.

82487042 is a deficient number, since it is larger than the sum of its proper divisors (53198110).

82487042 is a wasteful number, since it uses less digits than its factorization.

82487042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19633.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 82487042 is about 9082.2377198574. The cubic root of 82487042 is about 435.3065914535.

The spelling of 82487042 in words is "eighty-two million, four hundred eighty-seven thousand, forty-two".