375407986987 has 16 divisors (see below), whose sum is σ = 413010591840. Its totient is φ = 341205596160.

The previous prime is 375407986979. The next prime is 375407987021. The reversal of 375407986987 is 789689704573.

It is not a de Polignac number, because 375407986987 - 2³ = 375407986979 is a prime.

It is a super-2 number, since 2×375407986987² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (375407987987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6617439 + ... + 6673927.

It is an arithmetic number, because the mean of its divisors is an integer number (25813161990).

Almost surely, 2^375407986987 is an apocalyptic number.

375407986987 is a deficient number, since it is larger than the sum of its proper divisors (37602604853).

375407986987 is an equidigital number, since it uses as much as digits as its factorization.

375407986987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61515 (or 61493 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 375407986987 in words is "three hundred seventy-five billion, four hundred seven million, nine hundred eighty-six thousand, nine hundred eighty-seven".