769987036 has 48 divisors (see below), whose sum is σ = 1663619776. Its totient is φ = 303657984.

The previous prime is 769986949. The next prime is 769987039. The reversal of 769987036 is 630789967.

769987036 = 10485² + 10486² + ... + 10491².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769987039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119530 + ... + 125806.

Almost surely, 2^769987036 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 769987036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831809888).

769987036 is an abundant number, since it is smaller than the sum of its proper divisors (893632740).

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

769987036 is a wasteful number, since it uses less digits than its factorization.

769987036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 769987036 is about 27748.6402549747. The cubic root of 769987036 is about 916.5605015267.

The spelling of 769987036 in words is "seven hundred sixty-nine million, nine hundred eighty-seven thousand, thirty-six".