769139550000 has 900 divisors, whose sum is σ = 2916801906480. Its totient is φ = 195639840000.

The previous prime is 769139549989. The next prime is 769139550017. The reversal of 769139550000 is 55931967.

769139550000 is a `hidden beast` number, since 7 + 6 + 9 + 139 + 5 + 500 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (900).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 2142449821 + ... + 2142450179.

Almost surely, 2^769139550000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769139550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458400953240).

769139550000 is an abundant number, since it is smaller than the sum of its proper divisors (2147662356480).

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

769139550000 is an equidigital number, since it uses as much as digits as its factorization.

769139550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 769139550000 in words is "seven hundred sixty-nine billion, one hundred thirty-nine million, five hundred fifty thousand".