3557878242 has 16 divisors (see below), whose sum is σ = 7142017152. Its totient is φ = 1181582640.

The previous prime is 3557878237. The next prime is 3557878243. The reversal of 3557878242 is 2428787553.

It is not an unprimeable number, because it can be changed into a prime (3557878243) 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, 1092433 + ... + 1095684.

It is an arithmetic number, because the mean of its divisors is an integer number (446376072).

Almost surely, 2^3557878242 is an apocalyptic number.

3557878242 is an abundant number, since it is smaller than the sum of its proper divisors (3584138910).

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

3557878242 is a wasteful number, since it uses less digits than its factorization.

3557878242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188393.

The product of its digits is 3763200, while the sum is 51.

The square root of 3557878242 is about 59647.9525382054. The cubic root of 3557878242 is about 1526.6179359256.

The spelling of 3557878242 in words is "three billion, five hundred fifty-seven million, eight hundred seventy-eight thousand, two hundred forty-two".