1488990797 has 4 divisors (see below), whose sum is σ = 1701703776. Its totient is φ = 1276277820.

The previous prime is 1488990787. The next prime is 1488990863. The reversal of 1488990797 is 7970998841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1488990797 - 2¹⁶ = 1488925261 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 (1488990787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106356479 + ... + 106356492.

It is an arithmetic number, because the mean of its divisors is an integer number (425425944).

Almost surely, 2^1488990797 is an apocalyptic number.

It is an amenable number.

1488990797 is a deficient number, since it is larger than the sum of its proper divisors (212712979).

1488990797 is an equidigital number, since it uses as much as digits as its factorization.

1488990797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212712978.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The square root of 1488990797 is about 38587.4435146979. The cubic root of 1488990797 is about 1141.9068315697.

The spelling of 1488990797 in words is "one billion, four hundred eighty-eight million, nine hundred ninety thousand, seven hundred ninety-seven".