83121560007862 has 8 divisors (see below), whose sum is σ = 124682386540536. Its totient is φ = 41560764494352.

The previous prime is 83121560007797. The next prime is 83121560007869. The reversal of 83121560007862 is 26870006512138.

It is a happy number.

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

It is a super-2 number, since 2×83121560007862² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83121560007869) 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, 857218 + ... + 12921994.

It is an arithmetic number, because the mean of its divisors is an integer number (15585298317567).

Almost surely, 2^{83121560007862} is an apocalyptic number.

83121560007862 is a deficient number, since it is larger than the sum of its proper divisors (41560826532674).

83121560007862 is a wasteful number, since it uses less digits than its factorization.

83121560007862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15509582.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 83121560007862 in words is "eighty-three trillion, one hundred twenty-one billion, five hundred sixty million, seven thousand, eight hundred sixty-two".