75399278057005 has 32 divisors (see below), whose sum is σ = 106202019557376. Its totient is φ = 50303782128384.

The previous prime is 75399278056943. The next prime is 75399278057011. The reversal of 75399278057005 is 50075087299357.

It is a cyclic number.

It is not a de Polignac number, because 75399278057005 - 2⁹ = 75399278056493 is a prime.

It is a super-2 number, since 2×75399278057005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54427252 + ... + 55795378.

It is an arithmetic number, because the mean of its divisors is an integer number (3318813111168).

Almost surely, 2^{75399278057005} is an apocalyptic number.

It is an amenable number.

75399278057005 is a deficient number, since it is larger than the sum of its proper divisors (30802741500371).

75399278057005 is a wasteful number, since it uses less digits than its factorization.

75399278057005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410733.

The product of its (nonzero) digits is 166698000, while the sum is 67.

The spelling of 75399278057005 in words is "seventy-five trillion, three hundred ninety-nine billion, two hundred seventy-eight million, fifty-seven thousand, five".