75497878807 has 8 divisors (see below), whose sum is σ = 83502851936. Its totient is φ = 67806826272.

The previous prime is 75497878793. The next prime is 75497878843. The reversal of 75497878807 is 70887879457.

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

It is a cyclic number.

It is not a de Polignac number, because 75497878807 - 2¹⁹ = 75497354519 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 (75497878847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78479643 + ... + 78480604.

It is an arithmetic number, because the mean of its divisors is an integer number (10437856492).

Almost surely, 2^75497878807 is an apocalyptic number.

75497878807 is a deficient number, since it is larger than the sum of its proper divisors (8004973129).

75497878807 is a wasteful number, since it uses less digits than its factorization.

75497878807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156960297.

The product of its (nonzero) digits is 221276160, while the sum is 70.

The spelling of 75497878807 in words is "seventy-five billion, four hundred ninety-seven million, eight hundred seventy-eight thousand, eight hundred seven".