975477644 has 12 divisors (see below), whose sum is σ = 1710891000. Its totient is φ = 486651648.

The previous prime is 975477619. The next prime is 975477649. The reversal of 975477644 is 446774579.

It is not an unprimeable number, because it can be changed into a prime (975477649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269774 + ... + 273365.

It is an arithmetic number, because the mean of its divisors is an integer number (142574250).

Almost surely, 2^975477644 is an apocalyptic number.

It is an amenable number.

975477644 is a deficient number, since it is larger than the sum of its proper divisors (735413356).

975477644 is a wasteful number, since it uses less digits than its factorization.

975477644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543592 (or 543590 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The square root of 975477644 is about 31232.6374806868. The cubic root of 975477644 is about 991.7581396904.

The spelling of 975477644 in words is "nine hundred seventy-five million, four hundred seventy-seven thousand, six hundred forty-four".