388698676980 has 48 divisors (see below), whose sum is σ = 1095033355584. Its totient is φ = 103017070080.

The previous prime is 388698676921. The next prime is 388698676981. The reversal of 388698676980 is 89676896883.

It is a super-2 number, since 2×388698676980² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388698676896 and 388698676905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388698676981) 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, 19862341 + ... + 19881900.

It is an arithmetic number, because the mean of its divisors is an integer number (22813194908).

Almost surely, 2^388698676980 is an apocalyptic number.

388698676980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

388698676980 is an abundant number, since it is smaller than the sum of its proper divisors (706334678604).

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

388698676980 is a wasteful number, since it uses less digits than its factorization.

388698676980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39744416 (or 39744414 counting only the distinct ones).

The product of its (nonzero) digits is 1504935936, while the sum is 78.

The spelling of 388698676980 in words is "three hundred eighty-eight billion, six hundred ninety-eight million, six hundred seventy-six thousand, nine hundred eighty".