997714515 has 16 divisors (see below), whose sum is σ = 1824392448. Its totient is φ = 456098016.

The previous prime is 997714489. The next prime is 997714537. The reversal of 997714515 is 515417799.

It is not a de Polignac number, because 997714515 - 2⁵ = 997714483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750917 + ... + 4751126.

It is an arithmetic number, because the mean of its divisors is an integer number (114024528).

Almost surely, 2^997714515 is an apocalyptic number.

997714515 is a deficient number, since it is larger than the sum of its proper divisors (826677933).

997714515 is a wasteful number, since it uses less digits than its factorization.

997714515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502058.

The product of its digits is 396900, while the sum is 48.

The square root of 997714515 is about 31586.6192397984. The cubic root of 997714515 is about 999.2375905462.

The spelling of 997714515 in words is "nine hundred ninety-seven million, seven hundred fourteen thousand, five hundred fifteen".