975478399 has 16 divisors (see below), whose sum is σ = 1125748800. Its totient is φ = 827979264.

The previous prime is 975478367. The next prime is 975478453. The reversal of 975478399 is 993874579.

It is not a de Polignac number, because 975478399 - 2⁵ = 975478367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975448399) 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, 314247 + ... + 317335.

It is an arithmetic number, because the mean of its divisors is an integer number (70359300).

Almost surely, 2^975478399 is an apocalyptic number.

975478399 is a deficient number, since it is larger than the sum of its proper divisors (150270401).

975478399 is a wasteful number, since it uses less digits than its factorization.

975478399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its digits is 17146080, while the sum is 61.

The square root of 975478399 is about 31232.6495673998. The cubic root of 975478399 is about 991.7583955572.

The spelling of 975478399 in words is "nine hundred seventy-five million, four hundred seventy-eight thousand, three hundred ninety-nine".