6475210978 has 8 divisors (see below), whose sum is σ = 9807115968. Its totient is φ = 3206172324.

The previous prime is 6475210967. The next prime is 6475210979. The reversal of 6475210978 is 8790125746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6475210978² = 83856714419223432968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6475210979) 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, 15716326 + ... + 15716737.

It is an arithmetic number, because the mean of its divisors is an integer number (1225889496).

Almost surely, 2^6475210978 is an apocalyptic number.

6475210978 is a deficient number, since it is larger than the sum of its proper divisors (3331904990).

6475210978 is a wasteful number, since it uses less digits than its factorization.

6475210978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31433168.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 6475210978 is about 80468.6956399816. The cubic root of 6475210978 is about 1863.8801124564.

The spelling of 6475210978 in words is "six billion, four hundred seventy-five million, two hundred ten thousand, nine hundred seventy-eight".