387143534628 has 72 divisors (see below), whose sum is σ = 983023761720. Its totient is φ = 128466570240.

The previous prime is 387143534611. The next prime is 387143534641. The reversal of 387143534628 is 826435341783.

It is a happy number.

387143534628 is a `hidden beast` number, since 3 + 8 + 7 + 1 + 4 + 3 + 5 + 3 + 4 + 628 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85531681764 + 301611852864 = 292458^2 + 549192^2 .

It is a super-2 number, since 2×387143534628² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31548478 + ... + 31560746.

Almost surely, 2^387143534628 is an apocalyptic number.

It is an amenable number.

387143534628 is an abundant number, since it is smaller than the sum of its proper divisors (595880227092).

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

387143534628 is a wasteful number, since it uses less digits than its factorization.

387143534628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157 (or 16152 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 387143534628 in words is "three hundred eighty-seven billion, one hundred forty-three million, five hundred thirty-four thousand, six hundred twenty-eight".