977350779487 has 2 divisors, whose sum is σ = 977350779488. Its totient is φ = 977350779486.

The previous prime is 977350779479. The next prime is 977350779523. The reversal of 977350779487 is 784977053779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 977350779487 - 2³ = 977350779479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977350779467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488675389743 + 488675389744.

It is an arithmetic number, because the mean of its divisors is an integer number (488675389744).

Almost surely, 2^977350779487 is an apocalyptic number.

977350779487 is a deficient number, since it is larger than the sum of its proper divisors (1).

977350779487 is an equidigital number, since it uses as much as digits as its factorization.

977350779487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653456160, while the sum is 73.

The spelling of 977350779487 in words is "nine hundred seventy-seven billion, three hundred fifty million, seven hundred seventy-nine thousand, four hundred eighty-seven".