607788981 has 16 divisors (see below), whose sum is σ = 953395200. Its totient is φ = 381357504.

The previous prime is 607788971. The next prime is 607789027. The reversal of 607788981 is 189887706.

It is not a de Polignac number, because 607788981 - 2⁶ = 607788917 is a prime.

It is a super-2 number, since 2×607788981² = 738814890850036722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607788901) 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, 661621 + ... + 662538.

It is an arithmetic number, because the mean of its divisors is an integer number (59587200).

Almost surely, 2^607788981 is an apocalyptic number.

It is an amenable number.

607788981 is a deficient number, since it is larger than the sum of its proper divisors (345606219).

607788981 is a wasteful number, since it uses less digits than its factorization.

607788981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324185 (or 1324179 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The square root of 607788981 is about 24653.3766652765. The cubic root of 607788981 is about 847.0666968197.

The spelling of 607788981 in words is "six hundred seven million, seven hundred eighty-eight thousand, nine hundred eighty-one".