42878488 has 32 divisors (see below), whose sum is σ = 85980960. Its totient is φ = 19975680.

The previous prime is 42878477. The next prime is 42878513. The reversal of 42878488 is 88487824.

It is a super-2 number, since 2×42878488² = 3677129466332288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12478 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (2686905).

Almost surely, 2^42878488 is an apocalyptic number.

It is an amenable number.

42878488 is an abundant number, since it is smaller than the sum of its proper divisors (43102472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42878488 is a wasteful number, since it uses less digits than its factorization.

42878488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3183 counting only the distinct ones).

The product of its digits is 917504, while the sum is 49.

The square root of 42878488 is about 6548.1667663553. The cubic root of 42878488 is about 350.0094908991.

The spelling of 42878488 in words is "forty-two million, eight hundred seventy-eight thousand, four hundred eighty-eight".