125086578487 has 16 divisors (see below), whose sum is σ = 135836972992. Its totient is φ = 114500044800.

The previous prime is 125086578457. The next prime is 125086578517. The reversal of 125086578487 is 784875680521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125086578457) and next prime (125086578517).

It is a cyclic number.

It is not a de Polignac number, because 125086578487 - 2⁷ = 125086578359 is a prime.

It is a super-2 number, since 2×125086578487² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125086578457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077433 + ... + 1187869.

It is an arithmetic number, because the mean of its divisors is an integer number (8489810812).

Almost surely, 2^125086578487 is an apocalyptic number.

125086578487 is a deficient number, since it is larger than the sum of its proper divisors (10750394505).

125086578487 is a wasteful number, since it uses less digits than its factorization.

125086578487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111178.

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 125086578487 in words is "one hundred twenty-five billion, eighty-six million, five hundred seventy-eight thousand, four hundred eighty-seven".