90351437956975 has 24 divisors (see below), whose sum is σ = 120654385437600. Its totient is φ = 66720804616320.

The previous prime is 90351437956963. The next prime is 90351437956981. The reversal of 90351437956975 is 57965973415309.

It is a happy number.

It is not a de Polignac number, because 90351437956975 - 2³¹ = 90349290473327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90351437956898 and 90351437956907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142618617 + ... + 143250733.

It is an arithmetic number, because the mean of its divisors is an integer number (5027266059900).

Almost surely, 2^{90351437956975} is an apocalyptic number.

90351437956975 is a deficient number, since it is larger than the sum of its proper divisors (30302947480625).

90351437956975 is a wasteful number, since it uses less digits than its factorization.

90351437956975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071939 (or 1071934 counting only the distinct ones).

The product of its (nonzero) digits is 964467000, while the sum is 73.

The spelling of 90351437956975 in words is "ninety trillion, three hundred fifty-one billion, four hundred thirty-seven million, nine hundred fifty-six thousand, nine hundred seventy-five".