9129077950 has 12 divisors (see below), whose sum is σ = 16980085080. Its totient is φ = 3651631160.

The previous prime is 9129077941. The next prime is 9129077987. The reversal of 9129077950 is 597709219.

It is a junction number, because it is equal to n+sod(n) for n = 9129077894 and 9129077903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91290730 + ... + 91290829.

It is an arithmetic number, because the mean of its divisors is an integer number (1415007090).

Almost surely, 2^9129077950 is an apocalyptic number.

9129077950 is a deficient number, since it is larger than the sum of its proper divisors (7851007130).

9129077950 is a wasteful number, since it uses less digits than its factorization.

9129077950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182581571 (or 182581566 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 49.

The square root of 9129077950 is about 95546.2084543390. The cubic root of 9129077950 is about 2089.9808419907.

The spelling of 9129077950 in words is "nine billion, one hundred twenty-nine million, seventy-seven thousand, nine hundred fifty".