83125690454 has 8 divisors (see below), whose sum is σ = 124729041360. Its totient is φ = 41549343336.

The previous prime is 83125690447. The next prime is 83125690477. The reversal of 83125690454 is 45409652138.

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

It is a super-2 number, since 2×83125690454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83125690399 and 83125690408.

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, 6743249 + ... + 6755564.

It is an arithmetic number, because the mean of its divisors is an integer number (15591130170).

Almost surely, 2^83125690454 is an apocalyptic number.

83125690454 is a deficient number, since it is larger than the sum of its proper divisors (41603350906).

83125690454 is a wasteful number, since it uses less digits than its factorization.

83125690454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501894.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 83125690454 in words is "eighty-three billion, one hundred twenty-five million, six hundred ninety thousand, four hundred fifty-four".