97292387381 has 4 divisors (see below), whose sum is σ = 111191299872. Its totient is φ = 83393474892.

The previous prime is 97292387369. The next prime is 97292387383. The reversal of 97292387381 is 18378329279.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18378329279 = 13469 ⋅1364491.

It is a de Polignac number, because none of the positive numbers 2^k-97292387381 is a prime.

It is a super-2 number, since 2×97292387381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97292387381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97292387383) 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, 6949456235 + ... + 6949456248.

It is an arithmetic number, because the mean of its divisors is an integer number (27797824968).

Almost surely, 2^97292387381 is an apocalyptic number.

It is an amenable number.

97292387381 is a deficient number, since it is larger than the sum of its proper divisors (13898912491).

97292387381 is a wasteful number, since it uses less digits than its factorization.

97292387381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898912490.

The product of its digits is 9144576, while the sum is 59.

The spelling of 97292387381 in words is "ninety-seven billion, two hundred ninety-two million, three hundred eighty-seven thousand, three hundred eighty-one".