97432003881 has 9 divisors (see below), whose sum is σ = 140736469341. Its totient is φ = 64954044972.

The previous prime is 97432003861. The next prime is 97432003901. The reversal of 97432003881 is 18830023479.

The square root of 97432003881 is 312141.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (97432003861) and next prime (97432003901).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 97432003881 - 2⁵ = 97432003849 is a prime.

It is a super-2 number, since 2×97432003881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97432003861) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 884400 + ... + 988446.

Almost surely, 2^97432003881 is an apocalyptic number.

97432003881 is the 312141-st square number.

97432003881 is the 156071-st centered octagonal number.

It is an amenable number.

97432003881 is a deficient number, since it is larger than the sum of its proper divisors (43304465460).

97432003881 is an frugal number, since it uses more digits than its factorization.

97432003881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208100 (or 104050 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 97432003881 in words is "ninety-seven billion, four hundred thirty-two million, three thousand, eight hundred eighty-one".