2402787798 has 24 divisors (see below), whose sum is σ = 5327112648. Its totient is φ = 782302752.

The previous prime is 2402787797. The next prime is 2402787799. The reversal of 2402787798 is 8977872042.

It is an interprime number because it is at equal distance from previous prime (2402787797) and next prime (2402787799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402787791) 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, 1551415 + ... + 1552962.

It is an arithmetic number, because the mean of its divisors is an integer number (221963027).

Almost surely, 2^2402787798 is an apocalyptic number.

2402787798 is an abundant number, since it is smaller than the sum of its proper divisors (2924324850).

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

2402787798 is a wasteful number, since it uses less digits than its factorization.

2402787798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104428 (or 3104425 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 2402787798 is about 49018.2394420689. The cubic root of 2402787798 is about 1339.3841006384.

The spelling of 2402787798 in words is "two billion, four hundred two million, seven hundred eighty-seven thousand, seven hundred ninety-eight".