88879649 has 2 divisors, whose sum is σ = 88879650. Its totient is φ = 88879648.

The previous prime is 88879643. The next prime is 88879691. The reversal of 88879649 is 94697888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 30250000 = 7657^2 + 5500^2 .

It is a cyclic number.

It is not a de Polignac number, because 88879649 - 2⁴ = 88879633 is a prime.

It is not a weakly prime, because it can be changed into another prime (88879643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44439824 + 44439825.

It is an arithmetic number, because the mean of its divisors is an integer number (44439825).

Almost surely, 2^88879649 is an apocalyptic number.

It is an amenable number.

88879649 is a deficient number, since it is larger than the sum of its proper divisors (1).

88879649 is an equidigital number, since it uses as much as digits as its factorization.

88879649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 59.

The square root of 88879649 is about 9427.6003839789. The cubic root of 88879649 is about 446.2731691371.

The spelling of 88879649 in words is "eighty-eight million, eight hundred seventy-nine thousand, six hundred forty-nine".