90548425831 has 8 divisors (see below), whose sum is σ = 92848896000. Its totient is φ = 88252335360.

The previous prime is 90548425823. The next prime is 90548425841. The reversal of 90548425831 is 13852484509.

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 90548425831 - 2³ = 90548425823 is a prime.

It is a super-2 number, since 2×90548425831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90548425801) 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, 1053031 + ... + 1135768.

It is an arithmetic number, because the mean of its divisors is an integer number (11606112000).

Almost surely, 2^90548425831 is an apocalyptic number.

90548425831 is a deficient number, since it is larger than the sum of its proper divisors (2300470169).

90548425831 is a wasteful number, since it uses less digits than its factorization.

90548425831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189849.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 90548425831 in words is "ninety billion, five hundred forty-eight million, four hundred twenty-five thousand, eight hundred thirty-one".