84261762925 has 24 divisors (see below), whose sum is σ = 106293453480. Its totient is φ = 66248985600.

The previous prime is 84261762919. The next prime is 84261762931. The reversal of 84261762925 is 52926716248.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84261762919) and next prime (84261762931).

It can be written as a sum of positive squares in 12 ways, for example, as 41161511689 + 43100251236 = 202883^2 + 207606^2 .

It is not a de Polignac number, because 84261762925 - 2³ = 84261762917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430671 + ... + 594979.

It is an arithmetic number, because the mean of its divisors is an integer number (4428893895).

Almost surely, 2^84261762925 is an apocalyptic number.

It is an amenable number.

84261762925 is a deficient number, since it is larger than the sum of its proper divisors (22031690555).

84261762925 is a wasteful number, since it uses less digits than its factorization.

84261762925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164673 (or 164668 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 84261762925 in words is "eighty-four billion, two hundred sixty-one million, seven hundred sixty-two thousand, nine hundred twenty-five".