920958510507 has 48 divisors (see below), whose sum is σ = 1503961580160. Its totient is φ = 498446016768.

The previous prime is 920958510473. The next prime is 920958510553. The reversal of 920958510507 is 705015859029.

It is not a de Polignac number, because 920958510507 - 2⁶ = 920958510443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920958510507.

It is not an unprimeable number, because it can be changed into a prime (920958510607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12484243 + ... + 12557795.

It is an arithmetic number, because the mean of its divisors is an integer number (31332532920).

Almost surely, 2^920958510507 is an apocalyptic number.

920958510507 is a deficient number, since it is larger than the sum of its proper divisors (583003069653).

920958510507 is a wasteful number, since it uses less digits than its factorization.

920958510507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78072 (or 78065 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 920958510507 in words is "nine hundred twenty billion, nine hundred fifty-eight million, five hundred ten thousand, five hundred seven".