406988937876 has 48 divisors (see below), whose sum is σ = 990986379264. Its totient is φ = 129757152096.

The previous prime is 406988937871. The next prime is 406988937881. The reversal of 406988937876 is 678739889604.

It is an interprime number because it is at equal distance from previous prime (406988937871) and next prime (406988937881).

It is a junction number, because it is equal to n+sod(n) for n = 406988937798 and 406988937807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406988937871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766005 + ... + 6825891.

It is an arithmetic number, because the mean of its divisors is an integer number (20645549568).

Almost surely, 2^406988937876 is an apocalyptic number.

406988937876 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

406988937876 is an abundant number, since it is smaller than the sum of its proper divisors (583997441388).

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

406988937876 is a wasteful number, since it uses less digits than its factorization.

406988937876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84540 (or 84538 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 75.

The spelling of 406988937876 in words is "four hundred six billion, nine hundred eighty-eight million, nine hundred thirty-seven thousand, eight hundred seventy-six".