7390987479 has 20 divisors (see below), whose sum is σ = 11621958040. Its totient is φ = 4667991120.

The previous prime is 7390987477. The next prime is 7390987493. The reversal of 7390987479 is 9747890937.

7390987479 is a `hidden beast` number, since 73 + 9 + 0 + 98 + 7 + 479 = 666.

It is not a de Polignac number, because 7390987479 - 2¹ = 7390987477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7390987477) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2399692 + ... + 2402769.

It is an arithmetic number, because the mean of its divisors is an integer number (581097902).

Almost surely, 2^7390987479 is an apocalyptic number.

7390987479 is a deficient number, since it is larger than the sum of its proper divisors (4230970561).

7390987479 is a wasteful number, since it uses less digits than its factorization.

7390987479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802492 (or 4802483 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The square root of 7390987479 is about 85970.8524966456. The cubic root of 7390987479 is about 1947.9037283573.

The spelling of 7390987479 in words is "seven billion, three hundred ninety million, nine hundred eighty-seven thousand, four hundred seventy-nine".