7790000431 has 2 divisors, whose sum is σ = 7790000432. Its totient is φ = 7790000430.

The previous prime is 7790000377. The next prime is 7790000453. The reversal of 7790000431 is 1340000977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7790000431 - 2¹⁷ = 7789869359 is a prime.

It is a super-2 number, since 2×7790000431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7790000393 and 7790000402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7790009431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3895000215 + 3895000216.

It is an arithmetic number, because the mean of its divisors is an integer number (3895000216).

Almost surely, 2^7790000431 is an apocalyptic number.

7790000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7790000431 is an equidigital number, since it uses as much as digits as its factorization.

7790000431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7790000431 is about 88260.9790960875. The cubic root of 7790000431 is about 1982.3446386396.

The spelling of 7790000431 in words is "seven billion, seven hundred ninety million, four hundred thirty-one", and thus it is an aban number.