97992209782 has 16 divisors (see below), whose sum is σ = 147689551872. Its totient is φ = 48762904680.

The previous prime is 97992209767. The next prime is 97992209797. The reversal of 97992209782 is 28790229979.

It is an interprime number because it is at equal distance from previous prime (97992209767) and next prime (97992209797).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224443 + ... + 496345.

It is an arithmetic number, because the mean of its divisors is an integer number (9230596992).

Almost surely, 2^97992209782 is an apocalyptic number.

97992209782 is a deficient number, since it is larger than the sum of its proper divisors (49697342090).

97992209782 is a wasteful number, since it uses less digits than its factorization.

97992209782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272763.

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 97992209782 in words is "ninety-seven billion, nine hundred ninety-two million, two hundred nine thousand, seven hundred eighty-two".