97133787 has 6 divisors (see below), whose sum is σ = 140304372. Its totient is φ = 64755852.

The previous prime is 97133759. The next prime is 97133809. The reversal of 97133787 is 78733179.

It is not a de Polignac number, because 97133787 - 2⁶ = 97133723 is a prime.

It is a super-2 number, since 2×97133787² = 18869945153922738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97133747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5396313 + ... + 5396330.

It is an arithmetic number, because the mean of its divisors is an integer number (23384062).

Almost surely, 2^97133787 is an apocalyptic number.

97133787 is a deficient number, since it is larger than the sum of its proper divisors (43170585).

97133787 is a wasteful number, since it uses less digits than its factorization.

97133787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792649 (or 10792646 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 97133787 is about 9855.6474673154. The cubic root of 97133787 is about 459.6812331560.

The spelling of 97133787 in words is "ninety-seven million, one hundred thirty-three thousand, seven hundred eighty-seven".