97532903487 has 4 divisors (see below), whose sum is σ = 130043871320. Its totient is φ = 65021935656.

The previous prime is 97532903467. The next prime is 97532903513. The reversal of 97532903487 is 78430923579.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 97532903487 - 2¹⁶ = 97532837951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97532903467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16255483912 + ... + 16255483917.

It is an arithmetic number, because the mean of its divisors is an integer number (32510967830).

Almost surely, 2^97532903487 is an apocalyptic number.

97532903487 is a deficient number, since it is larger than the sum of its proper divisors (32510967833).

97532903487 is a wasteful number, since it uses less digits than its factorization.

97532903487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32510967832.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 97532903487 in words is "ninety-seven billion, five hundred thirty-two million, nine hundred three thousand, four hundred eighty-seven".