97144387958 has 8 divisors (see below), whose sum is σ = 145922108160. Its totient is φ = 48503685240.

The previous prime is 97144387939. The next prime is 97144387981. The reversal of 97144387958 is 85978344179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×97144387958² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97144387894 and 97144387903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34252598 + ... + 34255433.

It is an arithmetic number, because the mean of its divisors is an integer number (18240263520).

Almost surely, 2^97144387958 is an apocalyptic number.

97144387958 is a deficient number, since it is larger than the sum of its proper divisors (48777720202).

97144387958 is a wasteful number, since it uses less digits than its factorization.

97144387958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68508742.

The product of its digits is 60963840, while the sum is 65.

The spelling of 97144387958 in words is "ninety-seven billion, one hundred forty-four million, three hundred eighty-seven thousand, nine hundred fifty-eight".