87145624426 has 16 divisors (see below), whose sum is σ = 149440625280. Its totient is φ = 37336093200.

The previous prime is 87145624381. The next prime is 87145624427. The reversal of 87145624426 is 62442654178.

It is a self number, because there is not a number n which added to its sum of digits gives 87145624426.

It is not an unprimeable number, because it can be changed into a prime (87145624427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957550 + ... + 1044601.

It is an arithmetic number, because the mean of its divisors is an integer number (9340039080).

Almost surely, 2^87145624426 is an apocalyptic number.

87145624426 is a deficient number, since it is larger than the sum of its proper divisors (62295000854).

87145624426 is a wasteful number, since it uses less digits than its factorization.

87145624426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005269.

The product of its digits is 2580480, while the sum is 49.

The spelling of 87145624426 in words is "eighty-seven billion, one hundred forty-five million, six hundred twenty-four thousand, four hundred twenty-six".