91026765048 has 32 divisors (see below), whose sum is σ = 227637844560. Its totient is φ = 30332797440.

The previous prime is 91026765031. The next prime is 91026765073. The reversal of 91026765048 is 84056762019.

It is a junction number, because it is equal to n+sod(n) for n = 91026764988 and 91026765006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512283 + ... + 666698.

Almost surely, 2^91026765048 is an apocalyptic number.

It is an amenable number.

91026765048 is an abundant number, since it is smaller than the sum of its proper divisors (136611079512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91026765048 is a wasteful number, since it uses less digits than its factorization.

91026765048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182207 (or 1182203 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 91026765048 in words is "ninety-one billion, twenty-six million, seven hundred sixty-five thousand, forty-eight".