4396091787 has 12 divisors (see below), whose sum is σ = 6351148960. Its totient is φ = 2930156208.

The previous prime is 4396091783. The next prime is 4396091789. The reversal of 4396091787 is 7871906934.

It is a happy number.

It is not a de Polignac number, because 4396091787 - 2² = 4396091783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4396091783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4014 + ... + 93852.

Almost surely, 2^4396091787 is an apocalyptic number.

4396091787 is a deficient number, since it is larger than the sum of its proper divisors (1955057173).

4396091787 is a wasteful number, since it uses less digits than its factorization.

4396091787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95282 (or 95279 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 4396091787 is about 66303.0299986358. The cubic root of 4396091787 is about 1638.1572335390.

The spelling of 4396091787 in words is "four billion, three hundred ninety-six million, ninety-one thousand, seven hundred eighty-seven".