78032575525 has 12 divisors (see below), whose sum is σ = 100967368032. Its totient is φ = 59711883440.

The previous prime is 78032575519. The next prime is 78032575531. The reversal of 78032575525 is 52557523087.

It is an interprime number because it is at equal distance from previous prime (78032575519) and next prime (78032575531).

It is not a de Polignac number, because 78032575525 - 2¹⁷ = 78032444453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67853839 + ... + 67854988.

It is an arithmetic number, because the mean of its divisors is an integer number (8413947336).

Almost surely, 2^78032575525 is an apocalyptic number.

It is an amenable number.

78032575525 is a deficient number, since it is larger than the sum of its proper divisors (22934792507).

78032575525 is a wasteful number, since it uses less digits than its factorization.

78032575525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135708860 (or 135708855 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 78032575525 in words is "seventy-eight billion, thirty-two million, five hundred seventy-five thousand, five hundred twenty-five".