97377987 has 16 divisors (see below), whose sum is σ = 148566272. Its totient is φ = 55576800.

The previous prime is 97377971. The next prime is 97377997. The reversal of 97377987 is 78977379.

It is not a de Polignac number, because 97377987 - 2⁴ = 97377971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97377997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18612 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (9285392).

Almost surely, 2^97377987 is an apocalyptic number.

97377987 is a deficient number, since it is larger than the sum of its proper divisors (51188285).

97377987 is a wasteful number, since it uses less digits than its factorization.

97377987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658.

The product of its digits is 4667544, while the sum is 57.

The square root of 97377987 is about 9868.0285265092. The cubic root of 97377987 is about 460.0661325839.

The spelling of 97377987 in words is "ninety-seven million, three hundred seventy-seven thousand, nine hundred eighty-seven".