779487436 has 96 divisors (see below), whose sum is σ = 1780846592. Its totient is φ = 290200320.

The previous prime is 779487427. The next prime is 779487437. The reversal of 779487436 is 634784977.

It is not an unprimeable number, because it can be changed into a prime (779487437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416575 + ... + 418441.

Almost surely, 2^779487436 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 779487436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890423296).

779487436 is an abundant number, since it is smaller than the sum of its proper divisors (1001359156).

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

779487436 is a wasteful number, since it uses less digits than its factorization.

779487436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1957 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 55.

The square root of 779487436 is about 27919.3022119107. The cubic root of 779487436 is about 920.3147300634.

The spelling of 779487436 in words is "seven hundred seventy-nine million, four hundred eighty-seven thousand, four hundred thirty-six".