31877068 has 6 divisors (see below), whose sum is σ = 55784876. Its totient is φ = 15938532.

The previous prime is 31877047. The next prime is 31877071. The reversal of 31877068 is 86077813.

It is a super-2 number, since 2×31877068² = 2032294928553248, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 31877068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984630 + ... + 3984637.

Almost surely, 2^31877068 is an apocalyptic number.

It is an amenable number.

31877068 is a deficient number, since it is larger than the sum of its proper divisors (23907808).

31877068 is a wasteful number, since it uses less digits than its factorization.

31877068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969271 (or 7969269 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 31877068 is about 5645.9780375060. The cubic root of 31877068 is about 317.0731420420.

The spelling of 31877068 in words is "thirty-one million, eight hundred seventy-seven thousand, sixty-eight".